Table 1.
Patient characteristics
| RA (N=168) | Control (N=91) | P value | |
|---|---|---|---|
| Demographics | |||
| Age, years | 54 ± 12 | 53 ± 11 | 0.30 |
| Race, no. (%) Caucasian | 149 (89) | 77 (85) | 0.48 |
| Sex, no. (%) female | 116 (69) | 57 (63) | 0.30 |
| RA related | |||
| DAS28, units | 3.79 ± 1.61 | - | - |
| CRP, mg/L | 8.9 ± 13.1 | 2 ± 4.2 | <0.001 |
| ESR, mm/hr | 22 ± 20 | - | - |
| Disease duration, years | 10 ± 11 | - | |
| RF, no. (%) positive (N=161) | 116 (69) | - | - |
| Methotrexate use, no. (%) | 120 (71) | - | - |
| Anti-TNFα use, no. (%) | 35 (21) | - | - |
| Prednisone use, no. (%) | 91 (54) | - | - |
| CV related | |||
| Systolic BP, mmHg | 133 ± 20 | 129 ± 17 | 0.08 |
| Diastolic BP, mmHg | 75 ± 11 | 73 ± 9 | 0.12 |
| Waist circumference, cm | 95.6 ± 17.3 | 89.9 ± 14.4 | 0.01 |
| Total-C, mg/dl | 184 ± 40 | 193 ± 35 | 0.12 |
| HDL-C, mg/dl | 47 ± 14 | 47 ± 13 | 0.67 |
| LDL-C, mg/dl | 113 ± 34 | 122 ± 31 | 0.03 |
| Triglycerides, mg/dl | 145 ± 179 | 119 ± 62 | 0.26 |
Presented as mean ± standard deviation or number (percent). DAS28=disease activity score based on 28 joints, CRP=high sensitivity C-reactive protein, ESR=erythrocyte sedimentation rate, RF= rheumatoid factor (available in 161 RA patients), anti-TNFα= anti-tumor necrosis factor alpha, BP=blood pressure, C= cholesterol.