表 4.

Correlation analysis between JOA improvement rate and cervical sagittal parameters at last follow-up

JOA评分改善率与手术前后颈椎矢状位参数变化值的相关性分析

JOA评分 改善率 Improvement rate of JOA score	末次随访 Last follow-up						手术前后差值 Changes before and after operation				后凸矫正率 Correction rate of kyphosis
	C2～7角 C2-7 angle	后凸Cobb角 Kyphotic Cobb angle	C2-7 SVA	C7S	融合节段高度 Height of fused segments		C2～7角 C2-7 angle	C2-7 SVA	C7S	融合节段高度 Height of fused segments
r值	−0.424	−0.573	−0.073	0.336	0.033		−0.228	−0.218	0.259	0.278	0.587
P值	0.010	<0.001	0.674	0.045	0.848		0.181	0.202	0.128	0.100	<0.001