Table 4 Distribution of predictors between patients hospitalised for infection and remainder of cohort.
| Predictor | Hospitalised for infection | Controls |
|---|---|---|
| Age (years), mean (SD) | 62 (16) | 55 (16) |
| Sex: female, n (%) | 104 (62) | 1306 (67) |
| RA status: met ACR criteria, n (%) | 125 (74) | 1114 (57) |
| RF: positive, n (%) | 81 (51) | 600 (33) |
| Erosions: ever, n (%) | 68 (56) | 627 (48) |
| DMARD use: ever, n (%) | 78 (46) | 902 (46) |
| Corticosteroid use: ever, n (%) | 82 (49) | 439 (23) |
| Baseline HAQ, mean (SD) | 0.84 (0.69) | 0.85 (0.74) |
| HAQ at fifth assessment, mean (SD) | 0.96 (0.81) | 0.95 (0.82) |
| Overall HAQ, mean (SD) | 0.87 (0.71) | 0.83 (0.72) |
ACR, American College of Rheumatology; DMARD, disease‐modifying antirheumatic drugs; HAQ, Health Assessment Questionnaire; RF, rheumatoid factor.