| Group A (n=28) | Group B (n=20) | Group C (n=26) | Group D (n=27) | P value | |
|---|---|---|---|---|---|
| preBio+, MTX+ | preBio+, MTX- | preBio–, MTX+ | preBio–, MTX– | ||
| Female, n (%) | 27 (96.4) | 14 (70.0) | 23 (88.5) | 25 (92.6) | n.s. |
| Age (years) | 54.4±14.5 | 62.7±8.7 | 53.6±13.6 | 56.5±12.8 | n.s. |
| RA duration (years) | 8.2±6.8 | 12.7±8.9 | 6.3±6.8 | 7.0±8.3 | <0.05 |
| DAS28-ESR | 5.6±1.4 | 4.9±1.7 | 4.7±1.4 | 4.9±0.9 | n.s. |
| Prednisolone use (%) | 45 | 72 | 38 | 37 | n.s. |
| MTX dose (mg/week) | 9.3±3.2 | 0 | 7.9±2.3 | 0 | n.s. |