Logistic regression with conversion as outcome variable.

Table 3: Logistic regression with conversion as outcome variable.

Conversion	Odds ratio	SE	t	95% CI	P-value
Age (> 65 years)	1.94	0.59	2.19	1.07-3.50	0.029
ASA (III-IV)	1.59	0.32	2.25	1.06-2.37	0.024
Primary surgeon (Consultant)	1.34	0.19	2.12	1.02-1.76	0.034
Gender	0.7	0.19	-1.2	0.41-1.19	0.192
Previous abdominal surgery	1.2	0.42	0.5	0.60-2.40	0.615

SE = Standard Error; t: t-Statistic; CI = Confidence Interval.