Table 1.

DN-4 questionnaire, Turkish version[10]

Questions	Symptoms	Answers
1: Does the pain has one or more of the following characteristics?	Burning	Yes (1)/no (0)
	Painful cold	Yes (1)/no (0)
	Electric shocks	Yes (1)/no (0)
2: Is the pain associated with one or more of the following symptoms in the same area?	Tingling	Yes (1)/no (0)
	Pins and needles	Yes (1)/no (0)
	Itching	Yes (1)/no (0)
	Examination of patient	Yes (1)/no (0)
3: Does the pain located in the area where the physical examination was done reveal one or more of the following characteristics?	Hypoesthesia to touch	Yes (1)/no (0)
	Hypoesthesia to pinprick	Yes (1)/no (0)
4: In the painful area, can the pain be caused or increased by brushing?		Yes (1)/no (0)

Total score = 10. If the patient score is ≥4, neuropathic pain is diagnosed. DN-4: Douleur neuropathique-4.