Retention of the first bDMARD
| TNFi | Abatacept | |
|---|---|---|
| Biologic retention probability at*: | ||
| 12 Months | 71.66% (1.92%) | 70.71% (5.15%) |
| 24 Months | 59.85% (2.11%) | 62.16% (5.60%) |
| 60 Months | 44.28% (2.26%) | 48.37% (6.75%) |
| 96 Months | 35.29% (2.46%) | 41.17% (7.43%) |
| bDMARD retention time (years) | ||
| Mean (SE) | 4.83 (0.18) | 4.71 (0.45) |
| Lower quartile, (95% CI) | 0.86 (0.72–1.00) | 0.86 (0.50–1.24) |
| Median, (95% CI) | 3.83 (2.87–4.67) | 4.53 (2.34-++) |
*% (% standard error) survival.