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Table 2 Multivariate analysis of overall survival and progression-free survival in relation to clinical-pathologic characteristics

From: Residual lymph node status is an independent prognostic factor in esophageal squamous cell Carcinoma with pathologic T0 after preoperative radiotherapy

Characteristics PFS OS
HR (95 % CI) P value HR (95 % CI) P value
Gender (Female vs Male) 1.936 (1.044–3.590) 0.036 2.039 (1.178–3.531) 0.011
Age (≥65 vs <65) 0.381 (0.175–0.831) 0.015 0.481 (0.236–0.980) 0.044
Clinical T stage (T3-4 vs T2) 0.928 (0.507–1.697) 0.808 1.010 (0.575–1.776) 0.972
Clinical TNM stage (III vs II) 0.697 (0.389–1.249) 0.226 0.692 (0.404–1.185) 0.180
ypN stage (N1vs N0) 0.427 (0.248–0.734) 0.002 0.406 (0.240–0.686) 0.001
  1. Note: HR: hazard ratio, CI: confidence interval, ypN: post-therapy pathologic lymph node status; pCR: pathologic complete response; ypT0N1: pathologic complete response in tumor but residual lymph node metastasis after neoadjuvant radiotherapy and surgery