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Table 1 Patient characteristics

From: Comparative study between colonic metallic stent and anal tube decompression for Japanese patients with left-sided malignant large bowel obstruction

  Total (n = 59) TDT (n = 33) CMS (n = 26) p value
Gender 0.939
 Male 40 23 17  
 Female 19 10 9  
Age (range)* 69 (46–90) 68 (46–90) 70 (50–85) 0.367
Diabetes mellitus 0.180
 Positive 15 11 4  
 Negative 44 22 22  
Body mass index, kg/m2 (range)* 20.9 (17.0–41.5) 20.7 (13.2–29.3) 0.803
Chief complaint
 Abdominal pain/fullness 34 21 13  
 Vomiting 4 3 1  
 Constipation 5 3 2  
 Bloody stool 7 3 4  
 Diarrhea 1 1 0  
 Anemia 4 0 4  
 Others 4 2 2  
Tumor location 0.366
 Transverse 2 0 2  
 Descending 9 6 3  
 Sigmoid 38 21 17  
 Rectosigmoid 10 6 4  
Dilatation of the small bowel
 Positive 27 16 11 0.749
 Negative 32 17 15  
Maximum of dilatation of the colon, mm (range)* 59.9 (33.0–95.3) 48.8 (29.2–76.8) 0.099
CEA, ng/ml (range)*   10.0 (2.9–490.8) 6.6 (1.0–1232.0) 0.242
TDT 33  
CMS 26  
Stage 0.441
 II 22 11 11  
 III 17 11 6  
 IV 20 11 9  
  1. *median, TDT = trans-anal decompression tube, CMS = colonic metallic stent