Table 1. General Characteristics.
| RA-patients | Controls | P-value | |
|---|---|---|---|
| n = 243 | n = 117 | ||
| Male | 79 (32.5%) | 46 (39.3%) | 0.204 |
| Age (yrs) | 51.8±11.6 | 50.0±12.1 | 0.186 |
| Current smoker (n,%) | 54 (22.2%) | 16 (13.7%) | 0.051 |
| Weight (kg) | 76.3±14.4 | 75.3±14.5 | 0.520 |
| BMI (kg/m2) | 26.1±4.3 | 24.9±3.7 | 0.006 |
| Systolic blood pressure (mmHg) | 129±18 | 124±13 | 0.004 |
| Waist circumference (cm) | 93±14 | 90±12 | 0.054 |
| Total cholesterol (mmol/l) | 5.42±1.08 | 5.60±1.17 | 0.147 |
| LDL-C (mmol/l) | 3.36±1.02 | 3.46±1.00 | 0.372 |
| HDL-C (mmol/l) | 1.54±0.51 | 1.55±0.43 | 0.894 |
| TG (mmol/l)* | 1.03 (0.72–1.42) | 1.12 (0.74–1.61) | 0.182 |
| Apo AI (g/l) | 1.71±0.36 | 1.65±0.32 | 0.099 |
| Apo B (g/l) | 1.00±0.26 | 1.04±0.30 | 0.192 |
| Glucose (mmol/l) | 5.40±0.53 | 5.16±0.89 | 0.002 |
| C-reactive protein (mg/l)* | 2.00 (1.00–5.00) | 1.00 (1.00–2.75) | <0.001 |
| cIMT (mm) | 0.556±0.120 | 0.573±0.134 | 0.220 |
| Rheumatoid Factor Positive (n,%) | 150 (61.7%)** | NA | |
| Anti-CCP positivity (n,%) | 142 (58.4%)*** | NA |
BMI = body mass index TG = triglycerides; Apo = apolipoprotein; cIMT = carotid intima media thickness
Data presented as mean ± standard deviation or n (%) unless stated otherwise.
* Data presented as median (interquartile range). Difference between groups tested with the Mann-Whitney U test.
** data available in 235 patients.
*** data available in 204 patients
NA, not available