Table 4.

Univariable and multivariable analysis of factors for morbidity and mortality after management of sigmoid volvulus

	Risk factor	OR	95% CI	p-value
Any complication	ASA score > III	5.570	(1.740–17.829)	< 0.001
	Colonic gangrene	3.394	(1.196–9.637)	0.015
	Septic shock	8.356	(1.088–64.148)	0.014
Medical complications	ASA score > III	5.574	(2.008–15.477)	< 0.001
	Charlson index > 6	1.546	(1.081–2.210)	0.032
	Chronic heart failure	2.416	(1.112–5.248)	0.025
	Colonic gangrene	3.568	(1.371–9.284)	0.006
	Septic shock	11.892	(1.551–91.151)	0.003
Surgical complications	Resection with anastomosis	2.824	(1.208–6.600)	0.022
Mortality in the episode (30 days	ASA score > III	6.139	(2.629–14.335)	< 0.001
	Colonic gangrene	4.048	(1.736–9.436)	0.002
	Septic shock	9.917	(2.211–44.487)	< 0.001
Respiratory complications	Chronic heart failure	4.007	(1.939–8.251)	< 0.001
	Chronic pulmonary disease	4.286	(1.845–9.955)	< 0.001
	Chronic renal failure	4.200	(1.475–11.956)	0.009
	Charlson index > 6	1.636	(1.180–2.270)	0.015
Septic shock	Asa score > III	6.125	(3.410–11.001)	< 0.001
	Colonic gangrene	7.350	(3.883–13.911)	< 0.001

Variables in bold were independent factors in the multivariable binary logistic regression model

ASA American Society of Anaesthesiologists