From: The use of digital photographs for the diagnosis of hand osteoarthritis: the AGES-Reykjavik study
 |  | Grade |  | |||
---|---|---|---|---|---|---|
 | Joint | 0 | 1 | 2 | 3 |  |
 |  | n | N | n | n | Total n |
All | CMC1 Right | 261 | 62 | 46 | 11 | 380 |
 | CMC1 Left | 290 | 50 | 29 | 9 | 378 |
Males | Â | Â | Â | Â | Â | Â |
 | CMC1 Right | 127 | 22 | 9 | 0 | 158 |
 | CMC1 Left | 141 | 12 | 4 | 0 | 157 |
Females | Â | Â | Â | Â | Â | Â |
 | CMC1 Right | 134 | 40 | 37 | 11 | 222 |
 | CMC1 Left | 149 | 38 | 25 | 9 | 221 |