The operation time and blood loss volume are no significantly different in two groups.
出血量及手术时间两组差异无显著性意义。
The time of preparation for surgery and operation, and the blood loss volume during operation were compared among three groups.
比较各组术前准备时间、手术时间和术中失血量。
Results There were significant differences in blood loss volume, duration of operation, hospital stay and anal exhaust time between laparoscopic surgery group and laparotomy group(P<0.05).
结果腹腔镜手术组与开腹手术组术中出血量、手术时间、住院时间和术后排气时间比较，差异均有显著意义（P<0.05）。
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