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. 2014 Oct 20;31(1):20–25. doi: 10.5152/UCD.2014.2705

Table 6.

Factors influencing mortality on univariate analysis

Parameters Group without morbidity n (%) Group with morbidity n (%) p
Gender
  Male 107 (82.9) 22 (17.1) NS
  Female 14 (73.7) 5 (26.3)
Age
  <60 years 82 (96.5) 3 (3.5) <0.001
  >60 years 39 (61.9) 24 (38.1)
Admission period
  <24 hours 93 (92.1) 8 (7.9) <0.001
  >24 hours 28 (59.6) 19 (40.4)
Shock 3 (25) 9 (75) <0.001
Co-morbidities 28 (62.2) 17 (37.8) <0.001
Free air on AXR 98 (80.3) 24 (19.7) NS
MPI
  <26 119 (92.2) 10 (7.8) <0.001
  >26 2 (10.5) 17 (89.5)
APACHE II
  <11 111 (94) 7 (6) <0.001
  >11 10 (33.3) 20 (66.7)
Perforation site
  Prepyloric 85 (84.2) 16 (15.8) NS
  Duodenum 36 (76.6) 11 (23.4)
Perforation diameter
  <0.5 cm 85 (91.4) 8 (8.6) <0.001
  0.5–1 cm 29 (61.7) 18 (38.3)
  >1 cm 7 (87.5) 1 (12.5)

AXR: upright abdominal X-ray; MPI: Mannheim peritonitis index; APACHE II: acute physiology and chronic health evaluation; NS: not significant