Comments on: Yin W, Di G, Zhou L, Lu J, Liu G, Wu J, Shen K, Han Q, Shen Z, Shao Z. Time-varying pattern of recurrence risk for Chinese breast cancer patients.

摘要

The article by Yin et al. provides many interesting observations and discussion points concerning the influence of nodal status, tumor size, estrogen receptor status, and adjuvant treatment on the hazard of recurrence over time. However, we feel we must raise some concerns about the methods used and interpretation of the hazard function plots shown.