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

Affiliations

¹ Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, 322100, Zhejiang, People's Republic of China.
² Department of Cardiology, Affiliated Dongyang Hospital of Wenzhou Medical University, 60 Wuning West Road, Dongyang, 322100, Zhejiang, People's Republic of China. dyliwm@126.com.
³ Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, 6040A Wood Building, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA.
⁴ Department of Pediatrics and Public Health Science, Division of Pediatric Critical Care Medicine, Penn State Hershey Children's Hospital, 500 University Drive, Hershey, PA, 17033, USA.

Comment

Maofeng Wang et al. Intensive Care Med. 2018 Nov.

. 2018 Nov;44(11):2017-2019.

doi: 10.1007/s00134-018-5351-1. Epub 2018 Aug 27.

¹ Department of Biomedical Sciences Laboratory, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, 322100, Zhejiang, People's Republic of China.
² Department of Cardiology, Affiliated Dongyang Hospital of Wenzhou Medical University, 60 Wuning West Road, Dongyang, 322100, Zhejiang, People's Republic of China. dyliwm@126.com.
³ Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, 6040A Wood Building, 3401 Civic Center Boulevard, Philadelphia, PA, 19104, USA.
⁴ Department of Pediatrics and Public Health Science, Division of Pediatric Critical Care Medicine, Penn State Hershey Children's Hospital, 500 University Drive, Hershey, PA, 17033, USA.

No abstract available

Comment on

Subtypes of pediatric acute respiratory distress syndrome have different predictors of mortality.
Yehya N, Keim G, Thomas NJ. Yehya N, et al. Intensive Care Med. 2018 Aug;44(8):1230-1239. doi: 10.1007/s00134-018-5286-6. Epub 2018 Jul 3. Intensive Care Med. 2018. PMID: 29971591 Free PMC article.