Table 3.

Comparison of clinical outcome score between time intervals in each study group

Group	Clinical outcome score	n	Mean (SD)	Median (Q1-Q3)	Friedman test
					χ 2	P
A	1 month	9	0 (0)	0 (0-0)	7.60	0.02*
	3 months	9	0.56 (0.53)	1 (0-1)
	6 months	9	0.22 (0.44)	0 (0-0.5)
B	1 month	9	0 (0)	0 (0-0)	-	-
	3 months	9	0 (0)	0 (0-0)
	6 months	9	0 (0)	0 (0-0)

*P<0.05 Statistically significant, P>0.05 NS. NS: Nonsignificant, SD: Standard deviation