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Background <p>The high incidence of unplanned readmissions within 31&#xa0;days after colorectal cancer surgery remains a significant challenge. However, the identified risk factors for these readmissions are inconsistent across the literature. This study aims to perform a comprehensive meta-analysis to estimate the incidence of unplanned readmissions and systematically identify the factors associated with this risk, providing robust evidence for targeted interventions to reduce readmission rates.</p> Methods <p>This study was conducted in accordance with the PRISMA guidelines. All study steps, including study selection, data extraction, and quality assessment, were independently performed by two authors, with any disagreements resolved through consultation with a third author. A comprehensive search for published studies was conducted across the following databases up to January 2025: VIP Journal Database, Wanfang Data, CNKI, SinoMed, PubMed, Embase, Web of Science, and the Cochrane Library. Statistical analyses were performed using RevMan 5.4 and Stata 17.0, with a p-value of less than 0.05 considered statistically significant.</p> Results <p>This meta-analysis identified several significant risk factors associated with unplanned readmission during this period (<i>P</i> &lt; 0.05), including age (OR = 1.13), postoperative complications (OR = 1.87), tumor stage (TNM ≥ III) (OR = 2.01), tumor site in the rectum (OR = 1.64), stoma creation (OR = 1.70), Complicated diabetes (OR = 1.56), Charlson Comorbidity Index (CCI) (OR = 1.27), blood transfusion (BT) (OR = 1.24), Length of hospital stay (LOS) (OR = 1.65), and surgical approach (OR = 1.22). Notably, female (OR = 0.85) was identified as a protective factor against unplanned readmission.</p> Conclusion <p>The unplanned readmission rate within 31&#xa0;days after colorectal cancer surgery was 11.73%. Current evidence suggests that age, postoperative complications, TNM ≥ III, tumor site in the rectum, stoma creation, complicated diabetes, Charlson Comorbidity Index (CCI), blood transfusion (BT), length of hospital stay (LOS), and surgical approach are significant risk factors for unplanned readmission. Conversely, female has been identified as a protective factor. To mitigate these risks and reduce readmission rates, healthcare professionals should implement targeted educational and clinical interventions.</p>

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Risk factors for unplanned 31-day readmission after surgery for colorectal cancer patients: a meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月23日

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  • Nan Qu,
  • Tiantian Li,
  • Lifeng Zhang,
  • Xingyu Liu,
  • Liping Cui

摘要

Background

The high incidence of unplanned readmissions within 31 days after colorectal cancer surgery remains a significant challenge. However, the identified risk factors for these readmissions are inconsistent across the literature. This study aims to perform a comprehensive meta-analysis to estimate the incidence of unplanned readmissions and systematically identify the factors associated with this risk, providing robust evidence for targeted interventions to reduce readmission rates.

Methods

This study was conducted in accordance with the PRISMA guidelines. All study steps, including study selection, data extraction, and quality assessment, were independently performed by two authors, with any disagreements resolved through consultation with a third author. A comprehensive search for published studies was conducted across the following databases up to January 2025: VIP Journal Database, Wanfang Data, CNKI, SinoMed, PubMed, Embase, Web of Science, and the Cochrane Library. Statistical analyses were performed using RevMan 5.4 and Stata 17.0, with a p-value of less than 0.05 considered statistically significant.

Results

This meta-analysis identified several significant risk factors associated with unplanned readmission during this period (P < 0.05), including age (OR = 1.13), postoperative complications (OR = 1.87), tumor stage (TNM ≥ III) (OR = 2.01), tumor site in the rectum (OR = 1.64), stoma creation (OR = 1.70), Complicated diabetes (OR = 1.56), Charlson Comorbidity Index (CCI) (OR = 1.27), blood transfusion (BT) (OR = 1.24), Length of hospital stay (LOS) (OR = 1.65), and surgical approach (OR = 1.22). Notably, female (OR = 0.85) was identified as a protective factor against unplanned readmission.

Conclusion

The unplanned readmission rate within 31 days after colorectal cancer surgery was 11.73%. Current evidence suggests that age, postoperative complications, TNM ≥ III, tumor site in the rectum, stoma creation, complicated diabetes, Charlson Comorbidity Index (CCI), blood transfusion (BT), length of hospital stay (LOS), and surgical approach are significant risk factors for unplanned readmission. Conversely, female has been identified as a protective factor. To mitigate these risks and reduce readmission rates, healthcare professionals should implement targeted educational and clinical interventions.