Table 2.

Mean HHS scores before surgery and 3 months, 6 months and 1 year postoperatively in both groups

	C group	D group	P value
Before surgery	32.64 ± 9.11	46.32 ± 9.88	<0.001
3 months postoperatively	71.71 ± 4.78	63.02 ± 6.17	<0.001
6 months postoperatively	81.96 ± 4.94	78.35 ± 3.56	<0.001
1 year postoperatively	89.82 ± 3.33	85.20 ± 3.80	<0.001