Radiographic scores according to the Sharp method as modified by van der Heijde during the 5 years of follow-up
| Baseline | 1 year | 2 years | 5 years | |||||||||
| Women | Men | p Value | Women | Men | p Value | Women | Men | p Value | Women | Men | p Value | |
| Total score | 4.1 (8.5) | 4.3 (9.0) | 0.28 | 8.1 (11.9) | 8.7 (12.1) | 0.32 | 12.5 (18.0) | 12.0 (15.5) | 0.39 | 22.1 (29.2) | 21.9 (24.4) | 0.40 |
| Erosion score | 1.5 (3.5) | 2.1 (4.9) | 0.13 | 3.2 (5.5) | 4.3 (7.0) | 0.17 | 5.1 (8.5) | 6.0 (9.2) | 0.26 | 8.2 (13.8) | 8.8 (13.2) | 0.47 |
| Joint space narrowing score | 2.6 (6.0) | 2.2 (4.7) | 0.66 | 4.9 (7.8) | 4.4 (6.5) | 0.47 | 7.4 (11.5) | 6.0 (8.2) | 0.60 | 13.9 (18.4) | 13.1 (14.2) | 0.42 |
Values are mean (SD). p Values are for the differences between women and men as calculated by the Mann–Whitney U test.