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Analysis in statistical perspective about the article titled “Pre-emptive epidural analgesia for acute and chronic post-thoracotomy pain in adults: a systematic review and meta-analysis”

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  • Contributors YR and XF conceptualized and designed the study, drafted the initial manuscript, and reviewed and revised the manuscript. YW and HL participated in literature retrieval and the supervision of manuscript. QW and FY conceptualized and designed the study and critically reviewed the manuscript for important intellectual content. All authors approved the final manuscript as submitted and agree to be accountable for all aspects of the work.

  • Funding This study was funded by Provincial Developmental Fund of Traditional Chinese Medicine—Key Discipline of TCM (Oncology of TCM) (2100601). National Administration of Traditional Chinese Medicine: 2019 Project of building evidence-based practice capacity for TCM (2019XZZX-ZL006).

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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    Sun-Kyung Park Jeong-Hwa Seo