[KongchangAI]
Unverified50% confidenceFactExact time

循证医学中临床证据最高等级是系统性综述和Meta分析,其次是随机对照试验(RCT),单个患者的改善报告位于证据金字塔底层

1
Sources
50%
Confidence
Long-term
Relevance
8/28/2026
First Seen

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