Table 2.

Linear regression of length of stay predictors.

Lenght of Stay Predictor	Unstandardized Coefficients		Standardized Coefficients	t Value	P Value
	B	Standard Error	β
Constant	1.44	0.57		2.54	0.01
ACDF = 0, PCF = 1	−0.17	0.15	−0.06	−1.12	0.27
Age	−0.02	0.01	−0.13	−1.92	0.06
Body mass index	0.01	0.01	0.06	1.16	0.25
Charlson Comorbidity Index	0.16	0.05	0.22	3.32	<0.01
Male = 0, Female = 1	0.45	0.14	0.17	3.19	<0.01
Level	0.03	0.08	0.02	0.33	0.74

Abbreviations: ACDF, anterior cervical discectomy and fusion; PCF, posterior cervical foraminotomy.

Bolded values indicate significance at P < 0.05