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Updated: Jul 29, 2026

Laparoscopy-endoscopy Cooperative Surgery for the Treatment of Gastric Gastrointestinal Stromal Tumors
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Published on: February 19, 2022

腹腔镜与迷你胆囊切除术的随机对照试验. 麦吉尔大学胆结石治疗小组

J S Barkun1, A N Barkun, J S Sampalis

  • 1Department of Surgery, McGill University, Montreal, Quebec, Canada.

Lancet (London, England)
|November 7, 1992
PubMed
概括

腹腔镜胆囊切除术 (LC) 为胆结石提供比迷你胆囊切除术 (MC) 更快的恢复. 接受LC的患者更快地恢复正常活动,住院时间更短.

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McNemar's Test01:23

McNemar's Test

McNemar's Test is a nonparametric statistical test used to determine if there is a significant difference in proportions between two related groups when the outcome is binary (e.g., yes/no, success/failure). It is beneficial when we have paired data, such as pre-test/post-test designs, where the same subjects are measured under two different conditions. The test is named after the statistician Quinn McNemar, who introduced it in 1947. It is commonly used in situations where subjects are...