Table.
Disease characteristics associated with increased unadjusted odds ratio for lymphoma
| Exposure | No (%) of cases (n=41) | No (%) of controls (n=113) | Odds ratio (95% Cl) |
|---|---|---|---|
| Inflammatory activity | |||
| Low | 2 (5) | 31 (27) | 1.0 |
| Medium | 16 (39) | 65 (58) | 5.4 (0.7 to 42.0) |
| High | 23 (56) | 17 (15) | 25.8 (3.1 to 213.0) |
| Functional class of Steinbrocker | |||
| I | 2 (5) | 18 (16) | 1.0 |
| II | 9 (22) | 56 (50) | 1.1 (0.2 to 5.9) |
| III | 13 (32) | 26 (23) | 4.7 (0.8 to 26.2) |
| IV | 17 (41) | 13 (11) | 12.9 (2.1 to 76.8) |
| Joints affected | |||
| Small | 3 (7) | 36 (32) | 1.0 |
| Small and large | 38 (93) | 77 (68) | 9.3 (2.1 to 41.5) |
| Other characteristics | |||
| Complications/extra-articular manifestations | 14 (34) | 23 (20) | 2.1 (0.9 to 4.9) |
| Atlantoaxial subluxation | 4 (10) | 1 (1) | 11.2 (1.2 to 100.0) |
| Amyloidosis | 3 (7) | 1 (1) | 9.0 (0.9 to 86.5) |
| Nodules | 9 (22) | 7 (6) | 7.6 (1.5 to 37.1) |