• 1. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R China;
  • 2. Department of Thoracic Surgery, Sichuan Science City Hospital, Mianyang, Sichuan 621000, P. R China;
CHE Guowei, Email: cheguowei_hx@aliyun.com
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Objective  To explore the association of pretreatment prognostic nutritional index (PNI) with the prognosis of small cell lung cancer (SCLC) patients. Methods  The PubMed, Web of Science, Embase, China National Knowledge Infrastructure, WanFang and VIP databases were searched for relevant literature which identified the prognostic role of PNI in SCLC up to March 9th, 2022. The primary endpoint was overall survival (OS) and the secondary endpoint was progression-free survival (PFS). The hazard ratio (HR) and 95% confidence interval (CI) were combined by Stata 12.0 software. Results  A total of 19 retrospective cohort studies were included, involving 5999 participates. The pooled results indicated that low pretreatment PNI predicted poorer OS [HR=1.58, 95%CI (1.37, 1.83), P<0.001] and PFS [HR=1.51, 95%CI (1.03, 2.22), P=0.037]. Conclusion  Low pretreatment PNI may be a risk factor for poor prognosis of SCLC patients and could be applied for the evaluation of prognosis and formulation of therapy strategy.

Citation: ZHANG Liming, SONG Wenpeng, WANG Yan, CHE Guowei. Association between pretreatment prognostic nutritional index and prognosis of small cell lung cancer patients: a meta-analysis. West China Medical Journal, 2022, 37(3): 424-430. doi: 10.7507/1002-0179.202105195 Copy

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