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Purpose <p>Surgeries performed on Fridays may be associated with an increased risk of postoperative complications. However, data on pulmonary resection for non-small cell lung cancer (NSCLC) are lacking. This study aimed to evaluate the outcomes of pulmonary resection for NSCLC performed on Fridays or before holidays.</p> Methods <p>We performed a retrospective chart review to identify patients with NSCLC who underwent pulmonary resection between 2014 and 2016. Patients were classified into two groups: those undergoing surgery on Fridays or the day before a public holiday (pre-weekend group) and those undergoing surgery on other weekdays (control group). Propensity score matching (1:1 ratio) was performed to compare intraoperative injury, any postoperative complication, grade ≥ 3 complications, overall survival (OS), and recurrence-free survival (RFS).</p> Results <p>The risk ratios were 0.70 (95% confidence interval [CI]: 0.27–1.82) for intraoperative injuries, 0.93 (95%CI: 0.70–1.22) for any postoperative complications, and 0.54 (95%CI: 0.32–0.93) for grade ≥ 3 complications. The hazard ratio was 0.91 (95%CI: 0.64–1.29) for OS and 0.99 (95%CI: 0.75–1.30) for RFS.</p> Conclusions <p>Elective pulmonary resection for NSCLC performed on Fridays or before holidays may not be associated with increased postoperative complications or worse long-term outcomes.</p>

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Pre-weekend effect in pulmonary resection for non-small cell lung cancer: a multicenter retrospective cohort study

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Masatsugu Hamaji,
  • Sota Miyamoto,
  • Takashi Sozu,
  • Akihiro Ohsumi,
  • Masashi Kobayashi,
  • Tatsuo Nakagawa,
  • Makoto Sonobe,
  • Akihiro Aoyama,
  • Masashi Ishikawa,
  • Hiroaki Sakai,
  • Ryo Miyahara,
  • Toshi Menju,
  • Hiroshi Date,
  • Toyofumi Fengshi Chen-Yoshikawa

摘要

Purpose

Surgeries performed on Fridays may be associated with an increased risk of postoperative complications. However, data on pulmonary resection for non-small cell lung cancer (NSCLC) are lacking. This study aimed to evaluate the outcomes of pulmonary resection for NSCLC performed on Fridays or before holidays.

Methods

We performed a retrospective chart review to identify patients with NSCLC who underwent pulmonary resection between 2014 and 2016. Patients were classified into two groups: those undergoing surgery on Fridays or the day before a public holiday (pre-weekend group) and those undergoing surgery on other weekdays (control group). Propensity score matching (1:1 ratio) was performed to compare intraoperative injury, any postoperative complication, grade ≥ 3 complications, overall survival (OS), and recurrence-free survival (RFS).

Results

The risk ratios were 0.70 (95% confidence interval [CI]: 0.27–1.82) for intraoperative injuries, 0.93 (95%CI: 0.70–1.22) for any postoperative complications, and 0.54 (95%CI: 0.32–0.93) for grade ≥ 3 complications. The hazard ratio was 0.91 (95%CI: 0.64–1.29) for OS and 0.99 (95%CI: 0.75–1.30) for RFS.

Conclusions

Elective pulmonary resection for NSCLC performed on Fridays or before holidays may not be associated with increased postoperative complications or worse long-term outcomes.