Osteoarthritis of the Wrist STT Joint and Radiocarpal Joint

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 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.