		Baseline visit		At end of follow up		X²	df	p value
		No.	%	No.	%	X²	df	p value
Acne scar severity index	Mild score = 5 - 9	1	6.2	8	50	8.13	2	0.01713441
	Moderate score = 10 - 14	11	68.8	7	43.8
	Severe score = 15 - 20	4	25	1	6.2
	Total	16	100	16	100
No. of scars	1 - 3	3	18.8	4	25	5.19	3	0.15820778
	4 - 6	1	6.2	3	18.8
	7 - 12	1	6.2	4	25
	>12	11	68.8	5	31.2
	Total	16	100	16	100
Scar area ratio of the cheeks	≤1/4	4	25	7	43.8	7.42	3	0.05969840
	>1/4 - 1/2	2	12.5	6	37.5
	>1/2 - 3/4	7	43.8	3	18.8
	>3/4	3	18.8	0	0
	Total	16	100	16	100
Type of scar	Flat	0	0	7	43.8	-	-	0.0033988^*
	Depressed	16	100	9	56.2
	Total	16	100	16	100
Color of scar	Skin colored	6	37.5	10	62.5	2.33	2	0.31140322
	Erythematous or hypopigmented	2	12.5	2	12.5
	Hyperpigmented	8	50	4	25
	Total	16	100	16	100
Effect on psyche	No effect or mild discomfort	0	0	3	18.8	11.85	3	0.00791507
	Mild bothersome	2	12.5	8	50
	Moderate bothersome	11	68.8	5	31.3
	Severe bothersome or social withdrawal	3	18.8	0	0
	Total	16	100	16	100