Table 1. Treatment results.

	Baseline	Visit 3	Visit 6	p-value
Mexameter®
RF+toning	148.98±57.45	96.30±26.85(−35.8%)	65.55±26.24 (−53.0%)	0.000
Toning	143.24±54.85	114.23±43.49 (−20.3%)	87.31±42.13 (−39.2%)	0.006
p-value†	0.460	0.041*	0.005*
PSI score
RF+toning	10.20±3.06	7.90±2.70 (−22.5%)	5.50±2.05 (−46.1%)	0.000
Toning	11.13±4.88	9.00±4.19 (−19.1%)	7.63±3.16 (−31.4%)	0.037
p-value†	0.241	0.066	0.002*

Values are presented as mean±SD or mean±SD (percentage change). RF: radiofrequency, PSI: pigmentation area and severity index, SD: standard deviation. ^*p<0.05. ^†Difference between sides treated with combination therapy and laser toning.