But difference in the rate of postoperative incision infection had no statistical significance.
术后切口感染率差异无统计学意义。
Comparing the complication rate in the two groups, the difference had no statistical significance.
两组并发症发生率比较，差异无统计学意义。
The differences of two groups of operation time, length of hospital stay had no statistical significance(P>0.05).
两组手术时间、住院时间比较差异均无统计学意义（P>0.05）。
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