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result sql = Interaction between oxidative stress and high-density lipoprotein cholesterol is associated with severity of coronary artery calcification in rheumatoid arthritis.
Interaction between oxidative stress and high-density lipoprotein cholesterol is associated with severity of coronary artery calcification in rheumatoid arthritis.
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char = t;code = 116
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = -;code = 45
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = H;code = 72
char = D;code = 68
char = L;code = 76
char = );code = 41
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = o;code = 111
char = l;code = 108
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 = F;code = 70
char = &;code = 38
char = #;code = 35
char = 8;code = 56
char = 3;code = 51
char = 2;code = 50
char = 2;code = 50
char = ;;code = 59
char = -;code = 45
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = n;code = 110
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 = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = R;code = 82
char = A;code = 65
char = ;code = 32
char = (;code = 40
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 2;code = 50
char = .;code = 46
char = 7;code = 55
char = 5;code = 53
char = ;code = 32
char = [;code = 91
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = (;code = 40
char = I;code = 73
char = Q;code = 81
char = R;code = 82
char = );code = 41
char = ;code = 32
char = 1;code = 49
char = .;code = 46
char = 6;code = 54
char = 0;code = 48
char = -;code = 45
char = 4;code = 52
char = .;code = 46
char = 0;code = 48
char = 6;code = 54
char = ];code = 93
char = ;code = 32
char = n;code = 110
char = g;code = 103
char = /;code = 47
char = m;code = 109
char = g;code = 103
char = ;code = 32
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = );code = 41
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = b;code = 98
char = j;code = 106
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = 1;code = 49
char = .;code = 46
char = 8;code = 56
char = 6;code = 54
char = ;code = 32
char = [;code = 91
char = I;code = 73
char = Q;code = 81
char = R;code = 82
char = ;code = 32
char = 1;code = 49
char = .;code = 46
char = 2;code = 50
char = 5;code = 53
char = -;code = 45
char = 2;code = 50
char = .;code = 46
char = 6;code = 54
char = 2;code = 50
char = ];code = 93
char = ;code = 32
char = n;code = 110
char = g;code = 103
char = /;code = 47
char = m;code = 109
char = g;code = 103
char = ;code = 32
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;;code = 59
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = j;code = 106
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = P;code = 80
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 6;code = 54
char = );code = 41
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
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 = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = R;code = 82
char = A;code = 65
char = ,;code = 44
char = ;code = 32
char = F;code = 70
char = &;code = 38
char = #;code = 35
char = 8;code = 56
char = 3;code = 51
char = 2;code = 50
char = 2;code = 50
char = ;;code = 59
char = -;code = 45
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = r;code = 114
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 = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = d;code = 100
char = y;code = 121
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = x;code = 120
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 0;code = 48
char = 1;code = 49
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = D;code = 68
char = i;code = 105
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = A;code = 65
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = S;code = 83
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = 2;code = 50
char = 8;code = 56
char = ;code = 32
char = j;code = 106
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = t;code = 116
char = u;code = 117
char = m;code = 109
char = o;code = 111
char = r;code = 114
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char = n;code = 110
char = e;code = 101
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = &;code = 38
char = #;code = 35
char = 9;code = 57
char = 4;code = 52
char = 5;code = 53
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char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = l;code = 108
char = e;code = 101
char = u;code = 117
char = k;code = 107
char = i;code = 105
char = n;code = 110
char = -;code = 45
char = 6;code = 54
char = ,;code = 44
char = ;code = 32
char = a;code = 97
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char = d;code = 100
char = ;code = 32
char = C;code = 67
char = -;code = 45
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
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char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = j;code = 106
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = t;code = 116
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char = v;code = 118
char = a;code = 97
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char = i;code = 105
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = e;code = 101
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char = m;code = 109
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = >;code = 62
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
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char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = );code = 41
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
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char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
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char = w;code = 119
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char = t;code = 116
char = h;code = 104
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char = R;code = 82
char = A;code = 65
char = ,;code = 44
char = ;code = 32
char = F;code = 70
char = &;code = 38
char = #;code = 35
char = 8;code = 56
char = 3;code = 51
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char = 2;code = 50
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char = a;code = 97
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char = g;code = 103
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char = c;code = 99
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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 = ;code = 32
char = o;code = 111
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char = ;code = 32
char = H;code = 72
char = D;code = 68
char = L;code = 76
char = ;code = 32
char = c;code = 99
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char = o;code = 111
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char = e;code = 101
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 = o;code = 111
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char = a;code = 97
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = c;code = 99
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char = f;code = 102
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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 = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 2;code = 50
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char = f;code = 102
char = o;code = 111
char = r;code = 114
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char = t;code = 116
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char = a;code = 97
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char = o;code = 111
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char = );code = 41
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
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char = a;code = 97
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char = j;code = 106
char = u;code = 117
char = s;code = 115
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char = m;code = 109
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char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
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char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = s;code = 115
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char = x;code = 120
char = ,;code = 44
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char = a;code = 97
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char = d;code = 100
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char = r;code = 114
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = s;code = 115
char = ;code = 32
char = F;code = 70
char = &;code = 38
char = #;code = 35
char = 8;code = 56
char = 3;code = 51
char = 2;code = 50
char = 2;code = 50
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char = -;code = 45
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = p;code = 112
char = r;code = 114
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char = s;code = 115
char = t;code = 116
char = a;code = 97
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char = e;code = 101
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char = l;code = 108
char = e;code = 101
char = v;code = 118
char = e;code = 101
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char = s;code = 115
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char = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
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char = ,;code = 44
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char = H;code = 72
char = D;code = 68
char = L;code = 76
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = t;code = 116
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char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
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char = r;code = 114
char = y;code = 121
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char = l;code = 108
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char = f;code = 102
char = i;code = 105
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result sql = OBJECTIVE : To test the hypothesis that oxidative stress is increased in patients with rheumatoid arthritis (RA) due to increased inflammation and contributes to the pathogenesis of atherosclerosis.

METHODS : The independent association between urinary F₂-isoprostane excretion, a measure of oxidative stress, and RA was tested using multiple linear regression models in 169 patients with RA and 92 control subjects, frequency matched for age, race, and sex. The relationship between F₂-isoprostane excretion and coronary calcium, a marker of atherosclerosis, was examined in multivariable proportional odds logistic regression models that also assessed the interactions between oxidative stress and low-density lipoprotein and high-density lipoprotein (HDL) cholesterol.

RESULTS : F₂-isoprostane excretion was significantly higher in patients with RA (median 2.75 [interquartile range (IQR) 1.60-4.06] ng/mg creatinine) than in control subjects (median 1.86 [IQR 1.25-2.62] ng/mg creatinine; adjusted P = 0.006). In patients with RA, F₂-isoprostanes were positively correlated with body mass index (P < 0.001), but not with disease activity or mediators of inflammation such as the Disease Activity Score in 28 joints or serum tumor necrosis factor α, interleukin-6, and C-reactive protein concentrations in adjusted multivariable models (P > 0.05 for all). In patients with RA, F₂-isoprostanes significantly modified the effect of HDL cholesterol on coronary calcification (P = 0.02 for interaction) after adjustment for age, sex, and race. As F₂-isoprostane levels increased, HDL lost its protective effect against coronary calcification.

CONCLUSION : Oxidative stress measured as F₂-isoprostane excretion was higher in patients with RA than in control subjects. Among patients with RA, higher F₂-isoprostane excretion and HDL cholesterol concentrations interacted significantly and were positively associated with the severity of coronary calcification.

Publication: Arthritis Care Res (Hoboken) 2010 Oct ;62(10)::1473-80. :doi: 10.1002/acr.20237.
Publication Date: 2010 Oct
Study Author(s): Rho, Young Hee;Chung, Cecilia P;Oeser, Annette;Solus, Joseph F;Gebretsadik, Tebeb;Shintani, Ayumi;Raggi, Paolo;Milne, Ginger L;Stein, C Michael;
Institution: Vanderbilt University, Nashville, Tennessee 37232-6602, USA.
Shortcut link to this study:
OBJECTIVE : To test the hypothesis that oxidative stress is increased in patients with rheumatoid arthritis (RA) due to increased inflammation and contributes to the pathogenesis of atherosclerosis.

METHODS : The independent association between urinary F₂-isoprostane excretion, a measure of oxidative stress, and RA was tested using multiple linear regression models in 169 patients with RA and 92 control subjects, frequency matched for age, race, and sex. The relationship between F₂-isoprostane excretion and coronary calcium, a marker of atherosclerosis, was examined in multivariable proportional odds logistic regression models that also assessed the interactions between oxidative stress and low-density lipoprotein and high-density lipoprotein (HDL) cholesterol.

RESULTS : F₂-isoprostane excretion was significantly higher in patients with RA (median 2.75 [interquartile range (IQR) 1.60-4.06] ng/mg creatinine) than in control subjects (median 1.86 [IQR 1.25-2.62] ng/mg creatinine; adjusted P = 0.006). In patients with RA, F₂-isoprostanes were positively correlated with body mass index (P < 0.001), but not with disease activity or mediators of inflammation such as the Disease Activity Score in 28 joints or serum tumor necrosis factor α, interleukin-6, and C-reactive protein concentrations in adjusted multivariable models (P > 0.05 for all). In patients with RA, F₂-isoprostanes significantly modified the effect of HDL cholesterol on coronary calcification (P = 0.02 for interaction) after adjustment for age, sex, and race. As F₂-isoprostane levels increased, HDL lost its protective effect against coronary calcification.

CONCLUSION : Oxidative stress measured as F₂-isoprostane excretion was higher in patients with RA than in control subjects. Among patients with RA, higher F₂-isoprostane excretion and HDL cholesterol concentrations interacted significantly and were positively associated with the severity of coronary calcification.
PMID: 20506360

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