. Author manuscript; available in PMC: 2015 Oct 15.

Published in final edited form as: Spine (Phila Pa 1976). 2014 Oct 15;39(22):1910–1916. doi: 10.1097/BRS.0000000000000558

Table 2.

Procedure types.

Procedure	Total	Without microscope	With microscope
Anterior cervical fusion	6,964	6,468 (92.9%)	496 (7.1%)
Anterior cervical corpectomy	74	65 (87.8%)	9 (12.2%)
Posterior cervical fusion	542	523 (96.5%)	19 (3.5%)
Cervical laminotomy	41	32 (78.1%)	9 (22.0%)
Posterior thoracic fusion	148	143 (96.6)	5 (3.4%)
Lumbar laminotomy	8,149	7,005 (86.0%)	1,144 (14.0%)
Lumbar laminectomy	4,138	3,703 (89.5%)	435 (10.%)
Anterior lumbar fusion	955	937 (98.1%)	18 (1.9%)
Posterior lumbar fusion	2,659	2,568 (96.6%)	91 (3.4%)