Table 2.

Regression analysis on predictors of reversal of Hartmann's procedure. The adjusted coefficient of determination indicates that 34.8% of the variance in the likelihood of reversal is explained by the model used.

Variable	Odds ratio (95% CI)	p-value
Age (>67 years)	0.253 (0.010–0.024)	<0.001
Sex (female)	0.458 (-0.115–0.249)	0.467
Indication for Hartmann's procedure (cancer)	0.184 (0.120–0.411)	<0.001
Procedure type (emergency)	4.690 (-0.428–-0.016)	0.034
Smoking (current and ex-smokers)	0.153 (-0.074–0.138	0.553
ASA grade (>2)	0.001 (0.063–0.287)	0.002
Comorbidities (multiple)	0.163 (0.075–0.361)	0.003

CI = confidence interval; ASA = American Society of Anaesthesiologists