Circumferential Decompression Technique of Posterior Endoscopic Cervical Foraminotomy

Table 3

Clinical and radiological outcome scores.

Characteristics	Pre-op	Last follow-up	value
VAS-neck			<0.05
VAS-arm			<0.05
NDI %			<0.001
ROM (°)			0.968
Distance of slippage(mm)			0.394

Pre-op: preoperation; Post-op: postoperation; VAS: visual analogue scale; NDI: neck disability index; ROM: range of motion. indicates significant differences between Pre-op and last follow-up ().