每个评估项目在回答“是”时赋值1分,回答为“否”则为0分。DN4总分为 0~9分,当总评分大于或等于4分时即为神经病理性疼痛。
[3] Bouhassira, D., et al., Comparison of pain syndromes associated with nervous or somatic lesions and development of a new neuropathic pain diagnostic questionnaire (DN4). Pain, 2005. 114(1-2): p. 29-36.