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. 2021 May;35(5):586–592. [Article in Chinese] doi: 10.7507/1002-1892.202012016

表 2.

Comparison of clinical indexes between the two groups (n=30, Inline graphic)

两组患者各临床指标比较(n=30, Inline graphic

组别
Group
单枚螺钉
植钉时间
(min)
Single screw
placement time
(minutes)
单枚螺钉
调整次数
(次)
Adjustment times
of single screw
(times)
植钉过程
出血量
(mL)
Blood loss
during screw
placement (mL)
观察组
Observation group
3.2±1.2 0.7±0.8 39.8±6.0
对照组
Control group
5.3±1.3 1.0±1.1 43.4±6.9
统计值
Statistic
t=−11.397
P=0.011
t=−2.560
P=0.009
t=−2.617
P=0.001