• Intensive care medicine · Nov 2018

    Comment Letter

    Use of time-varying coefficients in a Cox regression model when the proportional hazard assumption is violated.

    • Maofeng Wang, Weimin Li, Nadir Yehya, Garrett Keim, and Neal J Thomas.
    • Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, 322100, Zhejiang, People's Republic of China.
    • Intensive Care Med. 2018 Nov 1; 44 (11): 2017-2019.

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