Table 3.

Multivariable regression analysis showing independent associations with the occurrence of any adverse event

Clinical variable	OR	95% CI	p
Fasting time	1.002	1.001 to 1.003	< 0.0001
Inpatients	1.095	0.713 to 1.680	0.676
Age (years)	0.937	0.896 to 0.979	0.004
Scheduled as first case in the morning	0.587	0.342 to 0.964	0.043