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. 2017 Jan;31(1):11–15. [Article in Chinese] doi: 10.7507/1002-1892.201608111

表 2.

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

两组患者手术前后 HHS 评分比较（Inline graphic）

组别
Group		 例数
n 		术前
Preoperative		 术后 3 个月
Three months after operation		 末次随访
Last follow-up		 统计值
Statistic
*与术前比较 P<0.05，#与术后 3 个月比较 P<0.05
* Compared with preoperative value, P<0.05; #compared with the value at 3 months after operation, P<0.05
A 48 42.5±15.8# 89.6±8.7* 90.5±7.9* F=227.81
P= 0.00
B 72 39.4±17.9# 83.4±7.9* 89.1±6.5* F=258.70
P= 0.00
统计值
Statistic		 t=0.84
P=0.40		 t=1.99
P=0.04		 t=0.30
P=0.68