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Table 4 Univariate analysis of 30-day mortality for a series of elderly patients who underwent treatment for malignant colonic obstruction

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

Variables Deaths/patients (%) P value
Mortality 57/233 (24.5)  
Age   NS
   70-79 28/138 (20.3)  
   ≥ 80 29/95 (30.5)  
Sex   NS
   Male 27/106 (25.5)  
   Female 30/127 (23.6)  
Comorbidities   <0.01
   Negative 8/70 (11.4)  
   Positive 49/163 (30.1)  
Time from onset of symptoms to surgery, h   <0.01
   < 72 24/140 (17.1)  
   ≥ 72 33/93 (35.5)  
ASA grading   <0.01
   I–II 5/107 (4.7)  
   III 15/60 (25.0)  
   IV 32/61 (52.5)  
   V 5/5 (100.0)  
Intra-operative findings   
   Peritonitis 25/46 (54.3) <0.01
   Perforations 14/21 (66.7) <0.01
Location of obstruction   NS
   Right-sided obstruction 25/80 (31.3)  
   Left-sided obstruction 32/153 (20.9)  
Dukes staging   <0.01
   Dukes A and Dukes B 5/49 (10.2)  
   Dukes C 31/131 (23.7)  
   Dukes D 21/53 (39.6)  
Morbidities   
   Surgical 12/36 (33.3) NS
   Medical 45/109 (41.3) <0.01
  1. NS no significance.