The Efficacy and Safety of a Low-Fluence 1064 nm Picosecond ND-YAG Laser Compared with Those of a Low-Fluence Photoacoustic Therapy Pulsed (PTP) Mode 1064 nm Q-Switched ND-YAG Laser for Treatment of Melasma: A Prospective Split-Face Study

Table 2

Dermoscopic scores of the pigmentary and vascular elements in melasma at week 0 and week 16 in the low-fluence PTP mode 1064 nm Q-switched ND-YAG laser group.

Dermoscopic findings		Not detected no. (%)	Hardly detected no. (%)	Detected no. (%)	Obvious no. (%)	value
Pseudoreticular network	Week 0	3 (20)	3 (20)	3 (20)	6 (40)	0.150
	Week 16	3 (20)	4 (26.7)	7 (46.7)	1 (6.7)
Globular pattern	Week 0	1 (6.7)	1 (6.7)	7 (46.7)	6 (40)	0.021 ()
	Week 16	4 (26.7)	6 (40)	4 (26.7)	1 (6.7)
Dotted pattern	Week 0	7 (46.7)	5 (33.3)	2 (13.3)	1 (6.7)	0.941
	Week 16	8 (53.3)	5 (33.3)	1 (6.7)	1 (6.7)
Arcuate pattern	Week 0	9 (60)	3 (20)	2 (13.3)	1 (6.7)	0.632
	Week 16	10 (66.7)	2 (13.3)	3 (20)	0 (0)
Visible telangiectasia	Week 0	7 (46.7)	2 (13.3)	3 (20)	3 (20)	0.863
	Week 16	8 (53.3)	1 (6.7)	4 (26.7)	2 (13.3)
Perifollicular pigmentation	Week 0	1 (6.7)	3 (20)	6 (40)	5 (33.3)	0.105
	Week 16	1 (6.7)	4 (26.7)	10 (66.7)	0 (0)

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