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Table 2 Clinical curative effects

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

  Group A (n = 85) Group B (n = 32) P
Ogilvie’s dysphagia score (prior stent placement), n (%)    0.997c
 3 66 (72.5 %) 29 (72.5 %)  
 4 25 (27.5 %) 11 (27.5 %)  
Ogilvie’s dysphagia score (post stent placement)a, n (%)    0.200c
 0 73 (80.2 %) 28 (70.0 %)  
 1 18 (19.8 %) 12 (30.0 %)  
Tumor regression, n (%)b    0.008c,d
 Yes 0 (0 %) 3 (7.5 %)  
 No 91 (100 %) 37 (92.5 %)  
  1. a 3 days after stent implantation
  2. b Smaller on the maximum section area of CT
  3. c χ 2 exact test was used
  4. d P < 0.05 was considered to indicate a statistically significant difference