From: The use of digital photographs for the diagnosis of hand osteoarthritis: the AGES-Reykjavik study
 | Joint | Interobserver | Interobserver | Intraobserver |
---|---|---|---|---|
 |  | kappa | ICC | ICC |
Left | DIP5 | 0.83 | 0.85 | 0.90 |
 | DIP4 | 0.87 | 0.83 | 0.91 |
 | DIP3 | 0.85 | 0.84 | 0.93 |
 | DIP2 | 0.80 | 0.84 | 0.95 |
 | PIP5 | 0.92 | 0.79 | 0.81 |
 | PIP4 | 0.94 | 0.78 | 0.90 |
 | PIP3 | 0.86 | 0.86 | 0.92 |
 | PIP2 | 0.84 | 0.81 | 0.81 |
 | CMC1 | 0.87 | 0.88 | 0.91 |
Right | DIP5 | 0.82 | 0.84 | 0.87 |
 | DIP4 | 0.88 | 0.80 | 0.94 |
 | DIP3 | 0.88 | 0.85 | 0.93 |
 | DIP2 | 0.79 | 0.78 | 0.95 |
 | PIP5 | 0.95 | 0.83 | 0.88 |
 | PIP4 | 0.97 | 0.80 | 0.89 |
 | PIP3 | 0.89 | 0.87 | 0.89 |
 | PIP2 | 0.84 | 0.81 | 0.84 |
 | CMC1 | 0.89 | 0.89 | 0.95 |
Average for all 18 joints | 0.87 | 0.83 | 0.89 |