char = H;code = 72
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = g;code = 103
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = g;code = 103
char = e;code = 101
char = r;code = 114
char = y;code = 121
char = .;code = 46
result sql = Hospitalization before and after gastric bypass surgery.
Hospitalization before and after gastric bypass surgery.char = <;code = 60
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = O;code = 79
char = N;code = 78
char = T;code = 84
char = E;code = 69
char = X;code = 88
char = T;code = 84
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = R;code = 82
char = o;code = 111
char = u;code = 117
char = x;code = 120
char = -;code = 45
char = e;code = 101
char = n;code = 110
char = -;code = 45
char = Y;code = 89
char = ;code = 32
char = g;code = 103
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = );code = 41
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = i;code = 105
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = U;code = 85
char = t;code = 116
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = i;code = 105
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = o;code = 111
char = o;code = 111
char = d;code = 100
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = O;code = 79
char = B;code = 66
char = J;code = 74
char = E;code = 69
char = C;code = 67
char = T;code = 84
char = I;code = 73
char = V;code = 86
char = E;code = 69
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = T;code = 84
char = o;code = 111
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = D;code = 68
char = E;code = 69
char = S;code = 83
char = I;code = 73
char = G;code = 71
char = N;code = 78
char = ,;code = 44
char = ;code = 32
char = S;code = 83
char = E;code = 69
char = T;code = 84
char = T;code = 84
char = I;code = 73
char = N;code = 78
char = G;code = 71
char = ,;code = 44
char = ;code = 32
char = A;code = 65
char = N;code = 78
char = D;code = 68
char = ;code = 32
char = P;code = 80
char = A;code = 65
char = R;code = 82
char = T;code = 84
char = I;code = 73
char = C;code = 67
char = I;code = 73
char = P;code = 80
char = A;code = 65
char = N;code = 78
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = C;code = 67
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = e;code = 101
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = C;code = 67
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = 1;code = 49
char = 9;code = 57
char = 9;code = 57
char = 5;code = 53
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 4;code = 52
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = M;code = 77
char = A;code = 65
char = I;code = 73
char = N;code = 78
char = ;code = 32
char = O;code = 79
char = U;code = 85
char = T;code = 84
char = C;code = 67
char = O;code = 79
char = M;code = 77
char = E;code = 69
char = ;code = 32
char = M;code = 77
char = E;code = 69
char = A;code = 65
char = S;code = 83
char = U;code = 85
char = R;code = 82
char = E;code = 69
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = H;code = 72
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = 1;code = 49
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 3;code = 51
char = ;code = 32
char = y;code = 121
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = E;code = 69
char = S;code = 83
char = U;code = 85
char = L;code = 76
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = C;code = 67
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = 1;code = 49
char = 9;code = 57
char = 9;code = 57
char = 5;code = 53
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 4;code = 52
char = ,;code = 44
char = ;code = 32
char = 6;code = 54
char = 0;code = 48
char = ,;code = 44
char = 0;code = 48
char = 7;code = 55
char = 7;code = 55
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = w;code = 119
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = -;code = 45
char = 1;code = 49
char = 1;code = 49
char = ,;code = 44
char = 6;code = 54
char = 5;code = 53
char = 9;code = 57
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 4;code = 52
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = i;code = 105
char = z;code = 122
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = y;code = 121
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = u;code = 117
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = y;code = 121
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = (;code = 40
char = 1;code = 49
char = 9;code = 57
char = .;code = 46
char = 3;code = 51
char = %;code = 37
char = ;code = 32
char = v;code = 118
char = s;code = 115
char = ;code = 32
char = 7;code = 55
char = .;code = 46
char = 9;code = 57
char = %;code = 37
char = ,;code = 44
char = ;code = 32
char = P;code = 80
char = <;code = 60
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 1;code = 49
char = );code = 41
char = .;code = 46
char = ;code = 32
char = F;code = 70
char = u;code = 117
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = b;code = 98
char = s;code = 115
char = e;code = 101
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = n;code = 110
char = ;code = 32
char = =;code = 61
char = ;code = 32
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char = b;code = 98
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char = R;code = 82
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char = w;code = 119
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char = e;code = 101
char = c;code = 99
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char = a;code = 97
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char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
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char = R;code = 82
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char = B;code = 66
char = ,;code = 44
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char = a;code = 97
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char = .;code = 46
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char = i;code = 105
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char = e;code = 101
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char = t;code = 116
char = h;code = 104
char = i;code = 105
char = r;code = 114
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char = a;code = 97
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char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
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char = s;code = 115
char = t;code = 116
char = ;code = 32
char = c;code = 99
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char = m;code = 109
char = o;code = 111
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char = e;code = 101
char = a;code = 97
char = s;code = 115
char = o;code = 111
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char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
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char = ;code = 32
char = a;code = 97
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char = s;code = 115
char = s;code = 115
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char = i;code = 105
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
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char = ;code = 32
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char = b;code = 98
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char = s;code = 115
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char = t;code = 116
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char = l;code = 108
char = a;code = 97
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char = e;code = 101
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char = r;code = 114
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char = c;code = 99
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char = l;code = 108
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char = i;code = 105
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char = ,;code = 44
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char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
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char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
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char = t;code = 116
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char = e;code = 101
char = c;code = 99
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char = ,;code = 44
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char = w;code = 119
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char = i;code = 105
char = l;code = 108
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char = e;code = 101
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char = m;code = 109
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char = a;code = 97
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char = ;code = 32
char = a;code = 97
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char = s;code = 115
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char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ;code = 32
char = w;code = 119
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char = r;code = 114
char = e;code = 101
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char = b;code = 98
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char = e;code = 101
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char = a;code = 97
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char = a;code = 97
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char = e;code = 101
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char = i;code = 105
char = s;code = 115
char = i;code = 105
char = o;code = 111
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char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
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char = m;code = 109
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char = l;code = 108
char = t;code = 116
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char = a;code = 97
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char = i;code = 105
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char = r;code = 114
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char = s;code = 115
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char = e;code = 101
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char = c;code = 99
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char = 1;code = 49
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char = y;code = 121
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char = a;code = 97
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char = r;code = 114
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char = a;code = 97
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char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
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char = R;code = 82
char = Y;code = 89
char = G;code = 71
char = B;code = 66
char = ,;code = 44
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char = i;code = 105
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char = a;code = 97
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char = C;code = 67
char = h;code = 104
char = a;code = 97
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char = r;code = 114
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char = I;code = 73
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char = r;code = 114
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char = R;code = 82
char = Y;code = 89
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char = B;code = 66
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char = w;code = 119
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char = y;code = 121
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char = a;code = 97
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char = <;code = 60
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char = <;code = 60
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char = C;code = 67
char = O;code = 79
char = N;code = 78
char = C;code = 67
char = L;code = 76
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = S;code = 83
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char = :;code = 58
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char = e;code = 101
char = a;code = 97
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char = e;code = 101
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char = R;code = 82
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char = .;code = 46
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char = P;code = 80
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char = a;code = 97
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char = ,;code = 44
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char = a;code = 97
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result sql = CONTEXT : The use of Roux-en-Y gastric bypass (RYGB) has been reported to be effective in the treatment of obesity and its related comorbidities. Utilization of inpatient services after RYGB is less well understood.
OBJECTIVE : To determine the rates and indications for inpatient hospital use before and after RYGB.
DESIGN, SETTING, AND PARTICIPANTS : Retrospective study of Californians receiving RYGB in California hospitals from 1995 to 2004.
MAIN OUTCOME MEASURE : Hospitalization in the 1 to 3 years after RYGB.
RESULTS : In California from 1995 to 2004, 60,077 patients underwent RYGB-11,659 in 2004 alone. The rate of hospitalization in the year following RYGB was more than double the rate in the year preceding RYGB (19.3% vs 7.9%, P<.001). Furthermore, in the subset of patients (n = 24,678) with full 3-year follow-up, a mean of 8.4% were admitted a year before RYGB while 20.2% were readmitted in the year after RYGB, 18.4% in the second year after RYGB, and 14.9% in the third year after RYGB. The most common reasons for admission prior to RYGB were obesity-related problems (eg, osteoarthritis, lower extremity cellulitis), and elective operation (eg, hysterectomy), while the most common reasons for admission after RYGB were complications often thought to be procedure related, such as ventral hernia repair and gastric revision. In multivariate logistic regression models predicting 1-year readmission after RYGB, increasing Charlson Comorbidity Index score, and hospitalization in the 3-year period prior to RYGB were significantly associated with readmission within a year.
CONCLUSIONS : Increases in hospital use after surgery appear to be related to RYGB. Payers, clinicians, and patients must consider the not-inconsequential rate of rehospitalization after this type of surgery.