Table 1.

Cohort demographics with chief complaint

Variable	ACDF + DBM outpatient	ACDF + DBM inpatient	P value
Sample size (n)	75	70
Age (yr)	53 ± 1.0	53.4 ± 1.6	0.591
BMI (kg/m2)	27.9 ± 0.8	25.4 ± 1.0	0.484
Male	33	34	0.631
Female	42	36
Diagnosis
Herniated disc	28	23
Degenerative disc disease	26	24
Spondylosis (chronic pain)	7	12
Myelopathy	3	4
Radiculopathy	11	7

ACDF: Anterior cervical discectomy and fusion; DBM: Demineralized bone matrix; BMI: Body mass index.