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；

Methods Evaluating pain degrees of 200 late staged cancer patients against Numerical Rating Scale (NRS).

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方法：运用自行设计问卷进行调查，并用数字分级法进行疼痛评估。

Methods: To survey by self design questionnaire and assess the pain by digital grading.

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分析术前及最后随访时的影像学评价、包括疼痛及每日活动评分的临床结果，以及改良Frankel分级法确定的神经学状况。

Radiologic assessment, clinical findings including pain and daily activity scores, and neurologic status using the modified Frankel grade were analyzed before surgery and at the last follow-up.

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疼痛程度分级采用语言评价量表(vrs)法。

Verbal rating scale (VRS) was used to evaluate pain degree.

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疼痛程度分级采用语言评价量表(vrs)法。

Verbal rating scale (VRS) was used to evaluate pain degree.

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