Table 1.

Patient demographics

Demographic	Rev-UKA (n = 68)	Rev-TKA (n = 112)	Chi square p value
Gender
Male	25 (37%)	51 (45%)	0.25
Female	43 (63%)	61 (55%)
Age
< 65 years	36 (53%)	71 (63%)	0.17
≥ 65 years	32 (47%)	41 (37%)
Primary diagnosis
Osteoarthritis	62 (91%)	109 (97%)	0.07
All others	6 (9%)	3 (3%)

Rev-UKA = unicompartmental knee arthroplasty revision; rev-TKA = TKA revision.