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. 2025 Jan 31;40(1):e711. doi: 10.5001/omj.2025.43

Table 5. Operative data and perioperative complications (N = 45).

Parameter Patients, n (%)
Emergency surgery 45 (100)
Operative complexity (severity)
Minor 0 (0.0)
Intermediate 12 (26.7)
Major 33 (73.3)
Number of operations within 30 days
1 44 (97.8)
2 1 (2.2)
Perioperative complications Mean ± SD; Median (IQR); (min–max) Verification
Major 20.7 ± 3.9; 20.0 (20.0–22.5); (13.0–27.0) W = 389
p ≤ 0.001
Minor 15.3 ± 4.6;13.0 (10.0–20.0); (10.0–20.0)
Blood loss associated with surgery
Major 251.5 ± 143.3; 225.0 (150.0–350.0); (50.0–650.0) KW: X2 = 16.041
p ≤ 0.001
Intermediate 75.0 ± 50.0; 50.0 (50.0–62.5); (50.0–200.0)
Peritoneal contamination 17 (37.8)
Bowel content 14 (31.1)
Local pus 2 (4.4)
Blood 1 (2.2)
Pus 11 (24.4)
Presence of malignancy
None 40 (88.9)
Primary malignancy 4 (8.9)
Malignancy with distant metastasis 1 (2.2)
Major complications
Overall 18 (40.0)
Age: 18–40 years (n = 28) 8 (28.6)
Age: 41–60 years (n = 13) 6 (46.2)
Age: > 60 years (n = 4) 4 (100)
Fecal peritoneal contamination 8 (44.4)
Overall mortality 8 (17.8)
18–40 years (n = 28) 2 (7.1)
41–60 years (n = 13) 4 (30.8)
> 60 years (n = 4) 2 (50.0) (p = 0.027)

W: Wilcoxon-Mann-Whitney test; KW: Kruskal-Wallis test.