Table 3. Comparison of VAS scores between laser and control groups at study time points.

	Control group			Laser group			Mann-Whitney U test
Times	Mean±SD	Median	Min-Max	Mean±SD	Median	Min-Max	p
VAS1	5.5±1.4a	5	3-8	4.5±1.8a	4.5	1-7	0.076
VAS2	5.0±1.8a	5	2-8	3.8±2.1a	3.5	1-8	0.060
VAS3	4.6±1.7a	4.5	2-8	3.4±2.0a,b	3	0-7	0.056
VAS4	4.2±1.4a,b	4	2-8	2.5±2.0bc	2	0-6	0.0080*
VAS12	3.2±1.3b	3.5	1-6	1.7±1.8c	1	0-6	0.0030*
Friedman p value	<0.001			<0.001
VAS: Visual analog scale; SD: Standard deviation; Min: Minimum; Max: Maximum; a, b, c: Lowercase superscript letters with mean values indicate differences VAS scores at study time points within the groups according to adjusted p value (* p<0.05).