Postoperative Morbidity and Mortality of Perforated Peptic Ulcer: Retrospective Cohort Study of Risk Factors among Black Africans in Côte d’Ivoire

Table 2

Risk factors of postoperative complications or mortality (A) or mortality (B). Cox regression multivariate analysis.

Risk factors	A		B
	HR	95% CI	HR	95% CI
Comorbidities
No	1		1
Yes	2.1	1.1–3.9	3.9	1.5–10.3
Pulse
<100	1
≥100	2.4	1.1–4.9
Intra-abdominal fluid collection
Bile-like fluid	1		1
Purulent	2.1	1.03–4.2	6.4	2.4–17.1
Natremia
≥134	1
<134	2.3	1.2–4.2
Hospital admission delay (hours)
≤24 hours	1		1
24–48	1.02	0.5–2.3	0.5	0.1–2.4
48–72	0.9	0.3–2.4	1.9	0.4–8.0
>72	2.6	1.2–5.7	13.5	3.9–46.0
Surgical intervention delay (hours)
≤24	1		1
24–48	3.8	1.7–8.5	15.6	4.9–49.2
>48	1.3	0.4–4.1	1.7	0.3–9.3

HR: hazard ratio; CI: confidence interval.