Relative risk of malignant lymphoma in the Early Arthritis cohort and in the TNF antagonist treated cohort by time since entry into each cohort
| No observed, relative risk (95% CI) by years since entry | ||||||
|---|---|---|---|---|---|---|
| No | <1 year | No | 1–2 years | No | 3+ years | |
| Early Arthritis cohort | 2 | 1.5 (0.2 to 5.2) | 4 | 1.8 (0.5 to 4.6) | 5 | 2.4 (0.8 to 5.7) |
| TNF antagonist cohort | 4 | 3.7 (1.0 to 9.4) | 3 | 2.0 (0.4 to 5.8) | 2 | 4.2 (0.5 to 15.3) |