A Comparative Study of Total Knee Arthroplasty and Unicondylar Knee Arthroplasty in the Treatment of Knee Osteoarthritis

Table 3

Comparison of HSS score and VAS score before and after operation (mean ± SD).

		UKA group (n = 15)	TKA group (n = 15)	value
VAS	Preoperation	6.23 ± 1.28	6.58 ± 1.43	0.768
	5d after operation	1.54 ± 0.28	1.48 ± 0.33	0.830
t		6.200	6.028
value		0.003	0.004
HSS	Preoperation	58.34 ± 2.62	58.29 ± 2.72	0.982
	5d after operation	88.27 ± 3.76	84.36 ± 2.68	0.216
t		11.295	11.825
value		≤0.001	≤0.001

UKA, unicondylar knee arthroplasty; TKA, total knee arthroplasty; HSS, knee score scale; VAS, visual analogue pain scale. , 5d after operation vs. preoperation.