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Updated: Jul 26, 2026

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皮肤单侧双门内镜与腰椎狭窄的单门内镜:一个单中心,前性,非随机队列试验协议

Haining Tan1, Yuquan Liu1, Guangpeng Li1

  • 1Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, Beijing, China.

BMJ open
|July 25, 2025
PubMed
概括

这项前性研究将单侧双门内镜 (UBE) 和单门内镜 (UE) 技术用于腰椎脊柱狭窄症 (LSS) 的比较. 它评估了疗效和安全性,为LSS治疗中的手术决策提供了关键数据.

关键词:
内镜外科手术是一种内镜外科手术.协议和指导方针 协议和指导方针脊柱 脊柱 脊柱 脊柱 脊柱 脊柱

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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...