Table 4.

Result of QoL

	SF-36 MCS		p value	SF-36 PCS		p value
	Group A	Group B		Group A	Group B
Preoperative	38.19 ± 3.49	29.71 ± 4.53	0.136	30.90 ± 3.20	26.12 ± 3.66	0.168
12 month	63.71 ± 5.38	43.17 ± 4.79	0.005*	60.27 ± 5.11	36.95 ± 4.42	0.001*
24 month	82.61 ± 2.19	52.06 ± 5.43	< 0.005*	70.05 ± 3.41	51.65 ± 4.64	< 0.005*

MCS mental component score, PCS physical component score

*Statistically significant with p < 0.05