The independent predictive role of platelet to white blood cell ratio on all-cause mortality: A 7-year nationwide follow-up study in China

aDepartment of Urology, Institute of Urology, West China Hospital, Sichuan University, Sichuan Province 610041, China bDepartment of Urology and Andrology Laboratory, West China Hospital, Sichuan University, Sichuan Province 610041, China cDay Surgery Center, West China Hospital, Sichuan University, Sichuan Province 610041, China Notes: Xinyi Lyu and Yang Xiong contributed equally to this work. Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. *Corresponding Author Address: Department of Urology and Andrology Laboratory, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, Sichuan Province 610041, China. E-mail address: [email protected] (F. Qin). *Corresponding Author Address: Day Surgery Center, West China Hospital, Sichuan University, Sichuan Province 610041, China. E-mail address: [email protected] (L. Jiang). Supplemental Digital Content is available for this article. Direct URL citations are provided in the HTML and PDF versions of this article on the journal's website, www.lww.com/international-journal-of-surgery. Published online ■ ■ This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0/