. 2017 Mar;31(3):271–277. [Article in Chinese] doi: 10.7507/1002-1892.201609030

表 2.

Comparison of KSS scores between 2 groups before and after operation ( Inline graphic )

两组患者手术前后 KSS 评分比较（ Inline graphic ）

组别 Group	例数 n	术前 Preoperative	术后 6 周 Six weeks after operation	术后 1 年 One year after operation	术后 3 年 Three years after operation	术后 10 年 Ten years after operation	统计值 Statistic
^* 与术前比较 P<0.05 ^* Compared with preoperative value, P<0.05
A	47	75.0±5.7	110.9±9.2^*	168.3±9.2^*	172.7±9.6^*	174.9±9.5^*	F=1 282.092 P= 0.000
B	66	72.2±6.8	118.6±8.7^*	166.1±8.8^*	174.2±8.9^*	178.4±8.8^*	F=1 938.318 P= 0.000
统计值 Statistic		t=1.852 P=0.075	t=2.257 P=0.030	t=1.190 P=0.199	t=0.849 P=0.455	t=1.032 P=0.346