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。

Factors that affect the posterior operative effect of cervical spondylotic myelopathy are JOA score before operation, age and disease course.

后路手术疗效的影响因素依次为：术前JOA评分、年龄、病程。

The respective scales of Japanese Orthopedics Association (JOA) and sciatica View analog scales(VAS) before and at final follow-up were recorded and compared.

分别记录术前和最后随访时的日本骨科学会评分（JOA评分及下肢根性痛的视觉模拟评分（VAS），并比较；

The JOA lower limb motor function standard and sphincter function standard were used to evaluate the ability of lower limb motion and sphincter function respectively.

用改良JOA下肢运动功能评分标准评价所有病例下肢的运动功能。

Posterior lumbar interbody fusion is effective in increasing the improvement rates of lower back pain JOA score and maintaining the disc height and the superior intervertebral space angle.

治疗腰椎间盘突出症复发，在提高下腰痛评分、维持椎间高度和上一椎间隙角度方面，后路椎间融合术优于其它两手术方式。