No ischemia group ( n = 64) | Ischemia group ( n = 36) | P | OR (95% CI) | |
---|---|---|---|---|
Background | ||||
Age years ≥ 60 years | 46 (72%) | 28 (78%) | 0.515 | |
Sex, male/female | 24 / 40 | 13 / 23 | 0.890 | |
Past history of surgery | 38 (59%) | 24 (67%) | 0.469 | |
Duration of symptoms before surgery ≥ 24 h/ < 24 h | 14 (22%) | 9 (25%) | 0.667 | |
ASA-PS ≥ 2 | 53 (82%) | 34 (95%) | 0.078 | |
Physical findings | ||||
Peritoneal irritation sign | 19 (30%) | 12 (34%) | 0.638 | |
Body temperature ≥ 37.5 °C | 6 (10%) | 1 (3%) | 0.228 | |
Laboratory data | ||||
WBC count ≥ 10,000/L | 21 (33%) | 21 (58%) | 0.013 | 2.86 (1.23—6.66) |
CRP ≥ 5.0 mg/L | 4 (6%) | 3 (8%) | 0.698 | |
CK ≥ 200U/L | 6 (10%) | 3 (9%) | 0.867 | |
LDH ≥ 300U/L | 4 (6%) | 5 (14%) | 0.228 | |
Arterial blood gas | ||||
pH ≤ 7.35 | 0 (0%) | 1 (3%) | 0.153 | |
BE ≤ -1.0 mmol/L | 16 (25%) | 17 (47%) | 0.024 | 2.68 (1.13—6.38) |
CT findings | ||||
Ascites | 43 (67%) | 32 (89%) | 0.012 | 3.91 (1.22—12.5) |
Mesenteric fluid | 44 (69%) | 29 (81%) | 0.194 | |
Reduced bowel wall enhancement | 16 (30%) | 24 (80%) | < 0.001 | 9.50 (3.26—27.6) |