Table 3.

Multiple regression analysis

Variable	Coefficient	p-Value	95% CI
Age	−0.02	0.57	[−0.10, 0.06]
Inpatient/Outpatient	17.0	<0.01	[14.4, 19.6]
ASA Classification	2.5	0.03	[0.22, 4.85]
Reoperative	1.6	0.37	[−1.93, 5.22]
Cancer	5.5	<0.01	[1.48, 9.46]
Renal Failure	−0.8	0.66	[−4.56, 2.89]

^*Overall p-value for this model <0.001