Table 1 Baseline characteristics
Variable | All CAPEA patients (n = 1241) | PD module patients (n = 512) | Patients with dentist’s assessment (n = 353) | Patients with radiograph (n = 253) |
|---|---|---|---|---|
Age, years | 56.2 (14.3) | 56.3 (14) | 55.8 (13.3) | 55.8 (13.3) |
Sex, female | 65% (821) | 67% (575) | 64% (250) | 67% (170) |
DAS28 ESR | 4.7 (1.4) | 4.8 (1.4) | 4.7 (1.4) | 4.7 (1.4) |
ESR, mm/h | 31.2 (23.4) | 31.8 (23.7) | 31 (22.9) | 30 (22) |
CRP, mg/l | 18.9 (31.9) | 17.8 (28.4) | 16.7 (22.3) | 15.5 (21.4) |
Number of teeth | 19.2 (9.6) | 19.4 (9.6) | 20.8 (8.3) | 21.1 (7.7) |
SJC28 | 6 (5.2) | 6 (5.2) | 5.6 (4.8) | 5.4 (4.7) |
TJC28 | 9.7 (6.2) | 9.5 (6) | 9.2 (5.9) | 9.1 (5.8) |
RF positive | 43% (539) | 43% (370) | 44% (169) | 40% (103) |
Anti-CCP positive | 39% (493) | 38% (331) | 40% (157) | 36% (93) |
Currently smoking | 33% (413) | 29% (254) | 27% (105) | 25% (65) |