根据数字评分量表（NRS）评估200名晚期癌症患者的疼痛程度。

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

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采用疼痛视觉模拟评分法(VAS)评分对两组患者的疼痛程度进行效果评价。

Visual analogue scale (VAS) scores were used to assess the pain degree of patients in the two groups.

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采用视觉模拟评分法(VAS)评定病人的疼痛程度及治疗结果。

Degree of pain and results of treatment were scored by visual analogue scale (VAS).

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