Table 6.

Comparison of ROM and Harris score between the two groups (x̅±s)

Group	ROM (°)		Harris score (Score)
	Preoperative	1 month postoperative	Preoperative	1 month postoperative
Control group (n = 50)	90.86±8.13	108.58±10.72*	61.40±5.12	64.82±5.44*
Observation group (n = 50)	90.50±7.10	118.24±10.12*,#	61.94±3.30	71.62±5.48*,#
t-value	0.236	4.633	0.627	6.227
P-value	0.814	< 0.001	0.532	< 0.001

Note: Compared to preoperative;

^*P < 0.05.

Compared to control group;

^#P < 0.05.

ROM, range of motion.