| Distribution of change scores | −2 | −1 | 0 | 1 | 2 | 3 | ⩾4 |
| JSN | |||||||
| DIPJ | 0 | 2 | 157 | 9 | 2 | 0 | 2 |
| PIPJ | 0 | 2 | 149 | 13 | 6 | 2 | 0 |
| First IPJ | 0 | 1 | 162 | 9 | 0 | 0 | 0 |
| First CMCJ | 0 | 3 | 164 | 5 | 0 | 0 | 0 |
| Hand | 1 | 5 | 133 | 14 | 12 | 3 | 4 |
| Osteophytes | |||||||
| DIPJ | 0 | 1 | 147 | 17 | 5 | 1 | 1 |
| PIPJ | 0 | 0 | 157 | 11 | 1 | 2 | 1 |
| First IPJ | 0 | 3 | 165 | 4 | 0 | 0 | 0 |
| First CMCJ | 0 | 0 | 164 | 8 | 0 | 0 | 0 |
| Hand | 1 | 0 | 134 | 21 | 10 | 0 | 6 |
Values are numbers of patients.
CMCJ, carpometacarpal joint; DIPJ, distal interphalangeal joint; IPJ, interphalangeal joint; JSN, joint space narrowing; PIPJ, proximal interphalangeal joint.