DAS28 cohort characteristics at baseline
| Cohort characteristics at baseline | No APOs (n=97) | 1+ APOs (n=34) | 2+ APOs (n=15) | 3+ APOs (n=7) |
|---|---|---|---|---|
| Age at symptom onset, years | 52.3 | 48.4 | 43.8* | 51.8 |
| Median (IQR) | (44.9, 60.0) | (38.6, 57.1) | (39.0, 51.8) | (49.4, 57.1) |
| Symptom duration, months | 5.4 | 10.2 | 8.4 | 4.1 |
| Median (IQR) | (2.1, 11.6) | (4.1, 18.7) | (2.5, 12.3) | (1.9, 9.0) |
| Parous before symptom onset | 97/97 | 33/34 | 15/15 | 7/7 |
| n/N (%) | (100) | (97) | (100) | (100) |
| Number of live births | 2 | 2 | 2 | 2 |
| Median (IQR) | (2, 3) | (2, 3) | (2, 3) | (1, 3) |
| Satisfy ACR criteria for RA | 48/97 | 19/34 | 9/15 | 5/7 |
| n/N (%) | (49) | (56) | (60) | (71) |
| DAS28 | 3.77 | 3.86 | 3.95 | 4.43 |
| Mean (SD) | (1.38) | (1.45) | (1.68) | (1.74) |
↵* Significant difference versus ‘No APOs’ (p<0.05)
APO, adverse pregnancy outcome; ACR, American College of Rheumatology; DAS28, disease activity score; RA, rheumatoid arthritis.