Table 1.
Demographic and clinical characteristics of the studied groups.
| Parameters | RA Patients (n = 75) | Control (n = 114) | p-Value |
|---|---|---|---|
| Demographic characteristics | |||
| Mean age (years) | 46 (Q1–Q3: 38–50) | 43 (Q1–Q3: 37–49) | 0.473 |
| Age of RA onset | 34 (Q1–Q3: 26–43) | - | |
| Disease duration (years) | 6 (Q1–Q3: 3–12) | - | |
| Smokers (%) | 4 (6) | ||
| Heredity for RA | 26 (34.7%) | ||
| BMI (kg/mkv) | 24.5 (Q1–Q3: 21.6–28.4) | 25.5 (Q1–Q3: 22.6–28.4) | 0.351 |
| Periodontitis (PD) | 16 (21.3%) | 20 (17.5%) | 0.516 |
| Periodontally healthy (PH) | 59 (78.7%) | 94 (82.5%) | |
| Inflammatory marker | |||
| CRP (mg/L) | 3(Q1–Q3:0.75–7.65) | 1(Q1–Q3:0.4–2) | <0.001 |
| Autoantibodies | |||
| RF positive (%) | 57 (76.0%) | - | |
| ACPA positive (%) | 43 (57.3%) | - | |
| Disease activity | - | ||
| DAS28 score > 5.1 | 28 (37.3%) | - | |
| DAS28 score 3.2–5.1 | 33 (44.0%) | - | |
| DAS28 score 2.6–3.2 | 6 (8.0%) | - | |
| DAS28 score < 2.6 | 8 (10.7%) | - | |