Table 1. Patient characteristics and surgical procedures.^*.

	N = 145
Patient characteristics, No. (%)
Age, y (mean ± SD)	54 ± 15
Male	91 (63)
Privately insured	117 (81)
Workers compensation	22 (15)
Uninsured	6 (4)
Surgical procedures, No. (%)
Discectomy	58 (40)
Laminectomy	20 (14)
Laminectomy and posterolateral fusion	27 (19)
TLIF	27 (19)
ALIF	13 (9)

^*TLIF indicates transforaminal lumbar interbody fusion; ALIF, anterior lumbar interbody fusion.