Table 3.

Correlation (r) between visual analogue scale (VAS) scores for pain and serum cytokine concentrations

Cytokine	r
	Group A	Group B
TNF-α	0.2575	−0.131
IL-6	0.8110*	−0.350
IL-1β	0.5598	−0.136
IL-10	0.1730	−0.158
IL-8	0.2805	0.115

Group A: patients with herpes zoster (HZ) who developed postherpetic neuralgia; Group B: HZ patients who did not develop postherpetic neuralgia

^*Significant correlation (P<0.05)