Table 1.
Demographic, rheumatologic, and periodontal characteristics at baseline.
| Baseline Parameters | Baseline |
|---|---|
| Demographics | |
| Age (years; mean ± SD) | 56.3 ± 15.7 |
| Female (n, %) | 46 (90.1) |
| RA-related parameters | |
| Duration of RA (months; mean ± SD) | 81.3 ± 68.9 |
| DAS28-CRP (mean ± SD) | 5.36 ± 1.67 |
| SDAI (mean ± SD) | 34.2 ± 16.3 |
| Corticosteroids (n, %) | 20 (39.21) |
| DMARDs (n, %) | 46 (90.1) |
| ACPA levels (U/mL; mean ± SD) | 239.7 ± 124.3 |
| ACPA positivity (n, %) | 32 (62.74) |
| RF levels (IU/mL; mean ± SD) | 192.7 ± 85.3 |
| RF positivity (n, %) | 47 (92.15) |
| Serum CRP levels (mg/dL; mean ± SD) | 15.3 ± 6.9 |
| PD-related parameters | |
| Number of present teeth (mean ± SD) | 23.7 ± 3.4 |
| GI (mean ± SD) | 0.98 ± 0.12 |
| % sites with plaque (mean ± SD) | 32.4 ± 16.9 |
| % sites with BOP (mean ± SD) | 10.2 ± 8.6 |
| PPD (mm; mean ± SD) | 2.8 ± 0.4 |
| % sites with PPD ≥ 4 mm | 12.7 ± 2.5 |
| CAL (mm) | 3.5 ± 1.2 |
| % CAL ≥ 3 mm | 12.5 ± 0.2 |
RA, rheumatoid arthritis; DAS28-CRP, Disease Activity Score on 28 joints using C-reactive protein; SDAI, Simplified Disease Activity Index; DMARDs, disease-modifying antirheumatic drugs; ACPA, anti-citrullinated protein antibodies; RF, rheumatoid factor; PD, periodontal disease; GI, gingival index; BOP, bleeding on probing; PPD, probing pocket depth; CAL, clinical attachment loss; n, number; SD, standard deviation; %, percent.