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. 2012 Jul 25;24(3):267–273. doi: 10.5021/ad.2012.24.3.267

Table 3.

Spearman correlation analysis between the changes after intense pulsed light (IPL) and changes after full treatment sessions

graphic file with name ad-24-267-i003.jpg

Total amount of erythema index change (ΔEI) and melanin index (MI) means changes of erythema index (EI) and MI in between baseline and after the last treatments. ΔEI and amount of MI change (ΔMI) after IPL indicates changes of EI and MI before IPL and 2 weeks after IPL. More reduction in EI and MI before and after IPL results in more decrease in EI and MI after all 5 times treatments (*p<0.05, †p<0.01).