Table 3.

Underlying Conditions that might have been Related to NeP in the Patients of the Present Study.

	All	Likely	Possible	Unlikely
n	300	9	33	258
1. Spinal diseases	23	1	2	20
2. Diabetes mellitus	42	2	5	35
3. Neurological diseases	5	0	0	5
4. Herpes zoster infection	2	0	1	1
1 and 2	13	1	2	10
1 and 3	4	0	0	4
2 and 3	6	0	1	5
1, 2 and 3	4	0	0	4

Neurological diseases: brain tumors, Parkinson’s disease, restless legs syndrome, stroke, epilepsy, and chronic subdural hematoma.