Table 1.

Lesions arrested according to duration of SDF application at each visit

	Duration	N	No. of lesions arrested	Mean rank	X 2	p value
3rd week	Group 1	54	33	73.33	5.659	0.059
	Group 2	49	32	72.29
	Group 3	51	43	86.92
3rd month	Group 1	54	41	74.31	2.379	0.304
	Group 2	49	41	75.86
	Group 3	51	47	82.45
6th month	Group 1	54	51	79.15	0.821	0.663
	Group 2	49	49	77.29
	Group 3	51	50	75.96