Distribution of changes in osteophytes and joint space narrowing of the hand over 6 years in 236 patients with hand osteoarthritis
| ≤−2 | −1 | 0 | 1 | 2 | 3 | 4 | ≥5 | |
|---|---|---|---|---|---|---|---|---|
| Osteophytes | ||||||||
| DIP joints | 0 | 3 | 160 | 41 | 15 | 9 | 4 | 4 |
| PIP joints | 0 | 0 | 169 | 44 | 12 | 4 | 3 | 4 |
| IP-1 joints | 0 | 1 | 186 | 44 | 5 | 0 | 0 | 0 |
| CMC-1 joints | 0 | 2 | 169 | 50 | 11 | 5 | 0 | 0 |
| MCP joints | 0 | 2 | 215 | 13 | 4 | 2 | 0 | 0 |
| STT joints | 0 | 1 | 229 | 6 | 0 | 0 | 0 | 0 |
| Joint space narrowing | ||||||||
| DIP joints | 2 | 8 | 173 | 33 | 11 | 4 | 5 | 0 |
| PIP joints | 3 | 2 | 207 | 11 | 7 | 2 | 1 | 3 |
| IP-1 joints | 0 | 3 | 204 | 19 | 9 | 1 | 0 | 0 |
| CMC-1 joints | 4 | 6 | 184 | 32 | 10 | 0 | 0 | 0 |
| MCP joints | 0 | 0 | 219 | 11 | 3 | 2 | 0 | 1 |
| STT joints | 0 | 1 | 208 | 21 | 5 | 1 | 0 | 0 |
Values represent the number of patients with corresponding change for each hand joint group.
CMC-1, first carpometacarpal joints; DIP, distal interphalangeal joints; IP-1, first interphalangeal joint; MCP, metacarpophalangeal joints; PIP, proximal interphalangeal joints; STT, scaphotrapezotrapezoidal joints.