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Occurrence of radiocarpal (RC) or scapholunate advanced collapse (SLAC) wrist by stages.
| N= | % | |
|---|---|---|
| Stage 1 | 13 | 45 |
| Stage 2 | 9 | 31 |
| Stage 3 | 5 | 17 |
| Stage 4 | 2 | 6 |
| No SLAC wrist | 71 | — |
Stage 4 is defined as arthritis including the radiolunate joint [5]. N = 100. The percentages pertain to number of radiographs by stage out of the 29 radiographs that had RC arthritis.
