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

Table 1

Descriptive analysis of the current study using Er,Cr : YSGG laser.

Outcomes after treatment	Frequency (n = 85)	Percentage (%)
Adverse effects include scares, herpes labialis (reactivation), severe crust, bleeding, and swelling
No adverse effects	8	9.4
Mild adverse effects	70	82.4
Moderate adverse effects	6	7.1
Severe adverse effects	1	1.2
Wound healing was scored (14 days after final session) on a 2-scale index
Complete healing	83	97.6
Partial healing	2	2.4
Pain after the procedure was scored using VAS index of pain measurement
Score 1	8	9.4
Score 2	5	5.9
Score 3	30	35.3
Score 4	27	31.8
Score 5	11	12.9
Score 6	4	4.7
Color improvement objective recording of lip color variation using a smile improvement scale
Little improvement	1	1.2
Average improvement	9	10.6
Great improvement	12	14.1
Complete improvement	63	74.1
Satisfaction with treatment depending on the patient’s opinion
Very dissatisfied	1	1.2
Neither satisfied nor dissatisfied	1	1.2
Satisfied	11	12.9
Very satisfied	72	84.7
Relapse measured through a period of 18 months
No relapse	66	77.6
Mild relapse	15	17.6
Medium relapse	4	4.7

One-sample chi-square test showed unequal distributions of all the outcomes within each category ().