Characteristics of RA patients who did and did not flare in the first 6 weeks post hip or knee arthroplasty (N=58)
| Flare (n=35) | No Flare (n=23) | Significance | |
|---|---|---|---|
| Age (yrs) | 58.2 (13.5) | 63.9 (10.4) | 0.073 |
| Female Sex | 32 (91%) | 18 (78%) | 0.155 |
| BMI | 32.6 (7.2) | 28.6 (6.5) | 0.040 |
| Minority Race | 10 (29%) | 2 (9%) | 0.099 |
| Hip arthroplasty | 22 (63%) | 6 (26%) | 0.006 |
| HOOS | 39.8 (21.9) | 52.2 (22) | 0.230 |
| KOOS | 44.0 (27.5) | 44.9 (14.2) | 0.914 |
| RA Duration (yrs) | 16.4 (12.0) | 16.1 (13.2) | 0.920 |
| DAS28 | 4.1 (1.2) | 2.9 (1.3) | 0.001 |
| RAPID3 | 16.0 (4.1) | 13.2 (5.4) | 0.032 |
| ESR (mm/hr) | 23.9 (20.2) | 11.0 (11.2) | 0.003 |
| CRP (mg/dl) | 2.3 (3.6) | 0.9 (0.8) | 0.043 |
| MD Global | 4.1 (1.6) | 3.3 (1.9) | 0.092 |
| Patient Global | 5.1 (1.9) | 4.0 (2.5) | 0.064 |
| Pain (10mm VAS) | 7.0 (2.0) | 5.7 (2.7) | 0.053 |
| MD HAQ | 3.9 (1.6) | 3.5 (1.5) | 0.282 |
| Biologics | 24 (69%) | 7 (30%) | 0.004 |
| MTX | 20 (57%) | 14 (61%) | 0.778 |
Data shown as mean (SD) or n (%).