Table 1.
Characteristics of 563 patients with incident rheumatoid arthritis in 1980–2008
| Characteristic | Seronegative (N=172) | Seropositive (N=391) | p value |
|---|---|---|---|
| Age, years | 56.8 (±14.3) | 54.0 (±13.4) | 0.030 |
| Female sex | 124 (72%) | 279 (71%) | 0.86 |
| Abnormal erythrocyte sedimentation rate | 37 (22%) | 131 (34%) | 0.004 |
| Total Cholesterol, mg/dL | 197.9 (±36.3) | 194.0 (±35.3) | 0.18 |
| N | 248 | 102 | |
| Low Density Lipoprotein, mg/dL | 114.7 (±32.4) | 114.9 (±31.2) | 0.90 |
| N | 145 | 320 | |
| High Density Lipoprotein, mg/dL | 56.6 (±18.0) | 53.4 (±15.8) | 0.10 |
| N | 230 | 94 | |
| Triglycerides, mg/dL | 125.8 (±65.2) | 129.2 (±74.0) | 0.94 |
| N | 154 | 338 | |
| Systolic blood pressure, mmHg | 133.2 (±18.6) | 130.1 (±18.2) | 0.08 |
| Diastolic blood pressure, mmHg | 76.3 (±9.9) | 77.1 (±10.8) | 0.54 |
| Anti-hypertensive use | 51 (30%) | 88 (22%) | 0.07 |
| Current smoker | 23 (13%) | 78 (20%) | 0.06 |
| Diabetes mellitus | 21 (12%) | 29 (7%) | 0.07 |
| Body Mass Index, kg/m2 | 28.4 (5.8) | 28.5 (6.5) | 0.96 |
| Framingham risk score, % | 14.1 (±14.6) | 11.4 (±11.1) | 0.07 |
Values in the table are mean (±SD) for continuous characteristics and N (%) for discrete characteristics