Research Article

Er,Cr:YSGG 2780 nm Laser Treatment of Lip Melanin Hyperpigmentation

Table 4

Comparing Er, Cr:YSGG to Q-switched Nd : YAG 1064 nm laser and Q-switched Nd : YAG 532 nm laser in the treatment of hyperpigmented lips (comparison between different studies).

Er,Cr:YSGGQ-switched Nd : YAG 1064-nmQ-switched Nd : YAG 532-nm value

Color improvement74.1%A5%B40.17%A0.001
Satisfaction3.80 (0.57)A0.53 (0.52)B1.73 (0.46)C0.001

Kruskal–Wallis test was used for the color improvement (test statistics = 33.36), One-way ANOVA for the satisfaction and pain, Df = 2.