Table 1. Characteristics of the Patients Undergoing THR or TKR.

Variable	THR (n = 268)	TKR (n = 482)
Age (yr)	60.2 ± 14.6	67.6 ± 10.1
Sex
Female	165 (61.6)	365 (75.7)
Male	103 (38.4)	117 (24.3)
BMI (kg/m2)	26.4 ± 4.0	28.9 ± 4.0
≤ 24.9	103 (38.4)	84 (17.4)
25–29.9	109 (40.7)	204 (42.3)
30–39.9	56 (20.9)	194 (40.2)
Comorbidity
Diabetes mellitus	29 (10.8)	67 (13.9)
Hypertension	103 (38.4)	264 (54.8)
Others	30 (11.1)	60 (12.4)

Values are presented as mean ± standard deviation or number (%).

THR: total hip replacement, TKR: total knee replacement, BMI: body mass index.