• 1. Department of Thoracic Surgery, Affiliated Hospital of Chengdu University, Chengdu 610081, P.R.China;
  • 2. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu 610041, P.R.China;
WANG Yifan, Email: 8582603@qq.com
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Objectives To systematically review the association between pretreatment serum ferritin (SF) concentration and prognosis in lung cancer patients.Methods Databases including PubMed, EMbase, Web of Science, CNKI, VIP and WanFang Data were electronically searched to identify cohort studies on the relationship between the pretreatment SF concentration and prognosis of lung cancer patients from inception to January, 2020. Literature screening, data extraction and quality evaluation of included studies were independently performed by two reviewers. Then, meta-analysis was conducted by Stata 12.0 software.Results A total of 8 cohort studies involving 1 002 lung cancer patients were included. The results of meta-analysis indicated that patients with higher pretreatment SF concentration had poorer overall survival (HR=1.70, 95%CI 1.06 to 2.73, P=0.029) compared with patients with lower pretreatment SF concentration. Subgroup analysis based on the pathological type manifested showed that pretreatment SF concentration only had high prognostic value in small cell lung cancer patients (HR=4.78, 95%CI 2.83 to 8.05, P<0.001).Conclusions Lung cancer patients with high pretreatment SF level have worse overall survival. Pretreatment SF concentration may serve as an independent prognostic factor in lung cancer, especially in small cell lung cancer. Due to the limited quality and quantity of included studies, more prospective well-designed studies are required to verify above conclusions.

Citation: WANG Yifan, JIN Jian, LI Aijian, ZHANG Yan, SONG Bo, CHE Guowei. Association of the pretreatment serum ferritin concentration with prognosis in lung cancer patients: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2020, 20(8): 945-949. doi: 10.7507/1672-2531.202003022 Copy

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