Table 5 Factors associated with postoperative mortality

Age > 75 years [n (%)]

2.23 (0.83–5.96)

0.163

Age > 80 years [n (%)]

1.71 (0.51–5.75)

0.571

Age, years (per unit increase)

1.02 (0.99–1.06)

0.098

1.03 (0.98–1.09)

0.157

Female [n (%)]

1.28 (0.51–3.18)

0.641

ASA score > III [n (%)]

2.29 (0.76–6.84)

0.211

Pancolic ischemia [n (%)]

1.08 (0.45–2.61)

1

Obesity [n (%)]

1.32 (0.35–4.92)

0.733

BMI (per unit increase)

1.01 (0.92–1.12)

0.696

Hypoalbuminemia (< 3.5 g/dL) [n (%)]

1.83 (0.19–17.18)

1

Lactates > 2.5 mmol/L [n (%)]

4.39 (1.58–12.18)

0.006

0.014

Preoperative hemoglobin level (per unit increase)

1 (0.83–1.20)

0.973

Diabetes [n (%)]

1.98 (0.65–5.97)

0.244

Severe coronary disease [n (%)]

0.449

COPD [n (%)]

1.44 (0.47–4.54)

0.596

Kidney failure [n (%)]

1.47 (0.51–4.34)

0.611

Hypertension [n (%)]

1.72 (0.68–4.38)

0.329

Smoking [n (%)]

1.35 (0.51–3.57)

0.636

Comorbidity > 1 [n (%)]

2.29 (0.90–5.78)

0.115

1.81 (0.33–9.9)

0.490

Time from signs/symptoms onset to surgery > 12 h [n (%)]

19.63 (6.02–63.97)

< 0.0001

< 0.0001

Presence of aneurysmatic rupture* [n (%)]

2 (0.44–9)

0.451

EVAR surgery* [n (%)]

0.2 (0.038–1.03)

0.085

AS [n (%)]

1.11 (0.44–2.78)

1

Total colectomy [n (%)]

1.08 (0.45–2.61)

1

Preoperative vasopressor agents [n (%)]

3.21 (1.29–8)

0.019

2.54 (0.20–31.12)

0.466

Intraoperative vasopressor agents [n (%)]

2.89 (1.04–8)

0.037

6.37 (0.87–46.6)

0.068

Sepsis [n (%)]

3.71 (1.33–10.32)

0.012

2.31 (0.61–8.79)

0.218

Low output syndrome [n (%)]

1.48 (1.28–1.71)

0.125

3.83 (0.3–48.97)

0.301

Postoperative acute kidney injury [n (%)]

2.12 (0.87–5.17)

0.118

5.09 (1.13–22.8)

0.033

Operative time, min (per unit increase)

1 (0.99–1.01)

0.493

Blood loss > 500 mL [n (%)]

3.18 (1.28–7.89)

0.013

2.48 (0.68–9.05)

0.169

Open abdomen needed [n (%)]

1.47 (1.27–1.7)

0.172

0 (0–0)

0.999

ICMR score (per unit increase)

1.37 (0.89–2.12)

0.146

2.85 (0.91–8.91)

0.072