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Table 2 Surgical observations, procedures types, and tumor characteristics

From: Factors associated with mortality risk for malignant colonic obstruction in elderly patients

Variables Patient (n = 233) %
Intra-operative findings   
   Peritonitis 46 19.7
   Perforations 21 9.0
Location of obstruction   
   Right-sided obstruction 80 34.3
   Cecum 17 7.3
   Ascending colon 20 8.6
   Hepatic flexure 23 9.9
   Transverse colon 20 8.6
   Left-sided obstruction 153 65.7
   Splenic flexure 14 6.0
   Descending colon 23 9.9
   Sigmoid colon 72 30.9
   Rectosigmoid 23 9.9
   Rectum 19 8.2
Treatment of right-sided obstruction   
   Resection + anastomosis 67 83.8
   Palliative stoma 8 10.0
   Bypass procedure 5 6.2
Treatment of left-sided obstruction   
   Surgery 113 73.9
    Resection + anastomosis 49 43.4
    Resection + stoma 44 38.9
    Stoma 20 17.7
   SEMS 40 26.1
Dukes staging   
   Dukes A and Dukes B 49 21.1
   Dukes C 131 56.2
   Dukes D 53 22.7