JOA score were collected before and after operation, and the curve of cervical were measured.
采集手术前后的JOA评分，并测量颈椎的弧度等数据。
The curative effects were assessed by JOA criteria for evaluating the effect on hip osteoarthritis.
以JOA髋关节骨关节炎的疗效评定标准进行疗效评定。
Factors that affect the anterior operative effect of cervical spondylotic myelopathy are disease course, JOA score before operation and age.
前路手术疗效的影响因素依次为：病程、术前joa评分、年龄。
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