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Table 3 Complications post to stent placement

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

  Group A, n (%) Group B, n (%) P
Massive hemorrhagea    0.337b
 Yes 6 (6.6 %) 1 (2.5 %)  
 No 85 (93.4 %) 39 (97.5 %)  
Pain more than 1 month    0.110b
 Yes 16 (17.6 %) 12 (30.0 %)  
 No 75 (82.4 %) 28 (70.0 %)  
Stent migration    0.908b
 Yes 5 (5.5 %) 2 (5.0 %)  
 No 86 (94.5 %) 38 (95.0 %)  
Restenosis    0.879b
 Yes 4 (4.4 %) 2 (5.0 %)  
 No 87 (95.6 %) 38 (95.0 %)  
  1. aIn the first month after stent placement
  2. b χ 2 exact test was used