Table 1: Comparison between serum levels of interleukin-17 and Interleukin-23, before and after narrow band UVB among groups I and II patients.

InterleukinsGroup I (number = 15)Group II (number = 15)
Before treatmentAfter treatment valueBefore treatmentAfter treatment value

IL-17 ng/L 0.041 <0.001
IL-23 ng/L <0.001 0.022

A significant difference by paired samples -test.