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Table 4 Death causes

From: Comparative study of self-expanding metal stent and intraluminal radioactive stent for inoperable esophageal squamous cell carcinoma

Death causes Group A (n = 86) Group B (n = 35) P = 0.959
Tumor metastasis, n (%) 37 (40.7 %) 16 (40.0 %)  
Massive hemorrhage, n (%) 28 (30.8 %) 11 (27.5 %)  
Non-tumor-related factors, n (%) 18 (19.8 %) 7 (17.5 %)  
Restenosis, n (%) 3 (1.1 %) 1 (2.5 %)  
  1. χ 2 exact test was used