Investigation of the Correlation between Postherpetic Itch and Neuropathic Pain over Time

Table 1

Background.

		Acute stage		Subacute stage		Chronic stage
		PHI (+),	PHI (−),	PHI (+),	PHI (−),	PHI (+),	PHI (−),
Age	65.4 ± 14.7	63.3 ± 15.5	68.9 ± 12.6	65.0 ± 15.7	65.7 ± 14.2	62.7 ± 14.7	67.6 ± 14.4
Sex (male : female)	27 : 49	17 : 30	10 : 19	10 : 18	17 : 31	10 : 24	17 : 25
Trigeminal nerve	13 (17%)	6	7	7	6	8	5
Cervical nerve	17 (22%)	14	7	9	12	10	11
Site
Thoracic nerve	31 (41%)	16	11	9	18	9	18
Lumbosacral nerve	15 (20%)	11	4	3	12	7	8

Age: mean ± standard deviation; sex and site: no. of patients.