Clinical and Radiological Outcomes of Anterior Approach Microscopic Surgery for the Pincer Mechanism in Cervical Spondylotic Myelopathy

Table 2

Radiographic evaluation.

	Preoperation	Postoperation	P
Cobb’s angle	15.3±8.0°	22.7±7.9°	< 0.0001
The height of disc, mm	4.6±0.4	6.5±0.4	< 0.0001
Anterior occupying rate	38.6±8.5%	12.9±5.5%	< 0.0001
Posterior occupying rate	27.4±7.2%	13.1±6.6%	< 0.0001
JOA score	11.0±1.3	15.4±1.5	< 0.0001

Abbreviations: Cobb’s angle, C2–C7 Angle.
JOA, Japanese Orthopedic Association; full score 17 points.
P<0.05 is statistically significant.