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. 2022 Aug;36(8):946–950. [Article in Chinese] doi: 10.7507/1002-1892.202203093

表 1.

Comparison of evaluation indexes related to surgery between groups

两组手术相关评价指标比较

组别
Group
例数
n
有创固定时间(min)
Invasive fixation time (minutes)
骨折固定时间(min)
Fracture fixation time (minutes)
术中出血量(mL)
Intraoperative
blood loss (mL)
主导针置入次数(次)
Number of placing key-
guide needle (times)
切口长度(cm)
Incision length (cm)
试验组
Trial group
31 40.2±5.6 47.2±4.7 35.3±11.5 1(1,2) 2.5(2.0,3.0)
对照组
Control group
43 50.5±9.8 50.5±9.8 58.1±11.1 3(3,4) 5.0(5.0,6.0)
统计值
Statistic
t=3.800
P=0.001
t=1.269
P=0.213
t=4.056
P=0.000
Z=−7.030
P=0.000
Z=−5.404
P=0.000