Table 4: 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 wrist71

Stage 4 is defined as arthritis including the radiolunate joint [5]. 𝑁 = 1 0 0 . The percentages pertain to number of radiographs by stage out of the 29 radiographs that had RC arthritis.