Methods Evaluating pain degrees of200 late staged cancer patients against Numerical Rating Scale(NRS) ( NRS ). 方法采用数字疼痛分级法(NRS),对200例晚期癌症患者的癌痛程度进行评估;
Adopt numerical rating scale ( NRS ) to evaluate pain degrees of those patients. The quantitative classification of relative signal intensity in MRI is a method to identify the grades of nucleus pulposus degeneration. 采用数字疼痛强度分级法(NRS)对癌痛程度进行评估;MRI相对信号强度四级定量分级法是一种评价髓核退变较好的方法。