. 2017 Jan;31(1):17–22. [Article in Chinese] doi: 10.7507/1002-1892.201609110

表 1.

Comparison of HHS scores between 2 groups at pre- and post-operation（ Inline graphic ）

两组患者手术前后各时间点 HHS 评分比较（ Inline graphic ）

组别 Group	例数 n	术前 Preoperative	术后 1 d One day after operation	术后 3 d Three days after operation	术后 1 周 One week after operation	术后 3 周 Three weeks after operation	术后 6 周 Six weeks after operation	术后 12 周 Twelve weeks after operation	术后 24 周 Twenty weeks after operation	统计值 Statistic
^与术前比较 P<0.05 ^ Compared with preoperative value, P<0.05
A	64	33.5±5.3	43.8±6.7^*	58.3±3.1^*	69.0±9.1^*	77.4±4.5^*	81.5±7.3^*	89.6±2.1^*	93.1±3.7^*	F=3.901 P=0.014
B	90	30.7±7.6	27.3±3.2^*	42.1±4.8^*	52.1±5.3^*	75.5±5.5^*	79.8±6.1^*	88.2±6.1^*	92.8±4.7^*	F=5.751 P=0.023
统计值 Statistic		t=0.222 P=0.783	t=20.915 P= 0.000	t=24.365 P= 0.000	t=12.153 P= 0.001	t=2.352 P=0.038	t=1.653 P=0.117	t=1.872 P=0.173	t=0.421 P=0.824