Table I
Sociodemographic and clinical characteristics of RA patients and controls.
| Variables | Patients (n = 100) | Controls (n = 100) | p-value |
|---|---|---|---|
| Age (years) Median (IQR) | 52.00 [26.00, 71.00] | 42.50 [23.00, 70.00] | <0.001 |
| Gender (%) | 0.335 | ||
| Female | 88 (88.0) | 93 (93.0) | |
| Male | 12 (12.0) | 7 (7.0) | |
| BMI | 27.95 [18.50, 46.90] | 26.00 [18.00, 49.00] | 0.002 |
| Smoking (%) | 0.615 | ||
| Never | 87 (87.0) | 88 (88.0) | |
| Current | 11 (11.0) | 8 (8.0) | |
| Ex-smoker | 2 (2.0) | 4 (4.0) | |
| Education level (%) | <0.001 | ||
| Illiterate | 14 (14.0) | 5 (5.0) | |
| Primary | 40 (40.0) | 36 (36.0) | |
| Secondary | 14 (14.0) | 23 (23.0) | |
| High school | 22 (22.0) | 10 (10.0) | |
| College | 10 (10.0) | 3 (3.0) | |
| Postgraduate | 0 (0.0) | 23 (23.0) | |
| Disease duration (years) Median (IQR) | 10.00 [1.00, 30.00] | ||
| CDAI Median (IQR) | 19.00 [3.00, 43.00] | ||
| DAS28 Median (IQR) | 4.79 [2.03, 7.08] | ||
| HAQ-DI Median (IQR) | 1.27 [0.00, 2.88] | 0.00 [0.00, 1.63] | <0.001 |
| ACPA positive n (%) | 51 (86.4) | ||
| RF positive n (%) | 65 (92.9) | ||
| ESR | 35.00 [2.00, 140.00] | ||
| Biologics users n (%) | 86 (86.0) | ||
| DMARDs users n (%) | 82 (82.0) | ||
| NSAIDs users n (%) | 5 (5.0) | ||
| Steroids users n (%) | 43 (43.0) |
ACPA, Anti-citrullinated protein antibodies; BMI, body mass index; CDAI, clinical disease activity index; cDMARD, conventional disease modifying antirheumatic drugs; DAS28, disease activity score 28; ESR, erythrocyte sedimentation rate; HAQ-DI, Health Assessment Questionnaire Disability Index; IQR, Interquartile range; NSAIDs, non steroidal anti inflammatory drugs; cnumber; RF, rheumatoid factor; P value, probability value (<0.05).
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