Table 3.

Multivariable regression analysis with total operative time as the dependent variable.

Covariates	Change in operative time, min	P-value
Gender – Female	−12.95	<0.001
ASA Classification 1	−38.87	0.016
ASA Classification 2	−7.74	0.036
Race – Black or African American	13.77	0.010
Anesthesia – Regional	−10.61	<0.001
Anesthesia – Spinal	−12.02	0.001
Prior operation within 30 days – Yes	−25.40	0.006
Outpatient	−51.91	0.002
Resident present	25.92	<0.001