Agreement between Heberden’s node and radiological distal interphalangeal osteophytes in the same finger in 6590 digits
| Heberden’s nodes | Radiological DIP osteophytes | ||
|---|---|---|---|
| Yes | No | Total | |
| Yes | 433 | 438 | 871 (13.2%) |
| No | 631 | 5088 | 5719 (86.8%) |
| Total | 1064 (16.1%) | 5526 (83.9%) | 6590 |
κ statistic of agreement between Heberden’s nodes (based on clinical grade ⩾1) and radiological osteophytes (based on radiological grade ⩾1) (95% CI) = 0.36 (0.33, 0.39).