Table 2 Factors associated with in-hospital mortality among patients who underwent major abdominal surgery at MNRH during the study period
Characteristic (n = 246) | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
cOR | 95% CI | p-value | aOR | 95%CI | p-value | |
Age | ||||||
< 18 years | 1 | |||||
≥ 18 years | 0.30 | 0.21–0.43 | < 0.001 | 0.24 | 0.06–0.90 | 0.034 |
Gender | ||||||
Male | 1 | |||||
Female | 0.23 | 0.15–0.34 | < 0.001 | 0.19 | 0.06–0.64 | 0.007 |
Type of surgery | ||||||
Elective | 1 | |||||
Emergency | 2.67 | 1.98–3.60 | < 0.001 | 2.27 | 0.08–2.33 | 0.331 |
ASA status | ||||||
I | 1 | |||||
II | 2.98 | 1.09–3.87 | 0.020 | 1.20 | 0.45–3.22 | 0.710 |
III | 3.68 | 1.76–5.65 | 0.001 | 2.06 | 0.74–4.96 | 0.078 |
IV | 6.13 | 2.89–9.97 | < 0.001 | 2.39 | 0.13–4.18 | 0.462 |
Duration between diagnosis & surgery for emergencies (days) | ||||||
Within 1 day | 1 | |||||
Longer than a day | 1.77 | 1.59–2.90 | 0.043 | 1.45 | 1.13–1.86 | 0.003 |
Duration of surgery (hours) | ||||||
≤ 1.5 | 1 | |||||
> 1.5 | 2.63 | 1.75–4.00 | < 0.001 | 3.17 | 1.01–9.98 | 0.049 |
Pre-surgery treatment | ||||||
Yes | 1 | |||||
No | 2.09 | 1.54–4.03 | < 0.001 | 1.78 | 0.29–11.11 | 0.531 |
Intraoperative treatment (litres) | ||||||
≤ 1 | 1 | |||||
> 1 | 0.30 | 0.19–0.47 | < 0.001 | 1.51 | 0.12–2.69 | 0.753 |
Comorbidities | ||||||
No | 1 | |||||
Yes | 1.15 | 1.10–1.19 | < 0.001 | 1.23 | 1.11–1.36 | < 0.001 |
Organs involved | ||||||
One | 1 | |||||
More than one organ | 1.34 | 1.20–1.50 | < 0.001 | 1.06 | 0.71–1.25 | 0.675 |
Serum lactate | ||||||
Normal (≤ 2.0 mmol/L) | 1 | |||||
High (> 2.0 mmol/L) | 3.79 | 2.09–6.84 | < 0.001 | 5.20 | 1.51–17.92 | 0.009 |