Table 2.

Intra-operative features.

	UKA (N = 63)	TKA (N = 63)	t	P
Length of the incision (cm)	11.3 ± 1.76	16.9 ± 2.12	−16.175	<0.001
Operative time (mins)	55.92 ± 11.31	64.97 ± 13.32	−4.109	<0.001
Blood loss (ml)	115.08 ± 42.15	223.02 ± 53.96	−12.512	<0.001
Postoperative drainage (ml)	188.41 ± 56.37	255.24 ± 62.24	−6.316	<0.001

UKA, Unicompartmental knee arthroplasty; TKA, Total knee arthroplasty.