Table 2.

Comparison of mean S. sobrinus PCR values between different time intervals in each group using Friedman's test followed by Wilcoxon signed post hoc test

Groups	Time	N	Mean	SD	Min	Max	p value	Sig. diff.	p value
Group I	Baseline	15	3.325	1.954	0.55	6.53	<0.001*	T1 vs T2	0.001*
	1 month	15	1.436	0.816	0.12	3.40		T1 vs T3	0.001*
	3 months	15	0.909	0.607	0.00	1.90		T2 vs T3	0.001*
Group II	Baseline	15	3.832	1.804	1.57	7.73	<0.001*	T1 vs T2	0.001*
	1 month	15	1.707	0.747	0.99	3.90		T1 vs T3	0.001*
	3 months	15	1.098	0.277	0.50	1.50		T2 vs T3	0.001*
Group III	Baseline	15	3.832	2.580	1.10	8.27	<0.001*	T1 vs T2	0.001*
	1 month	15	3.017	2.366	0.67	7.51		T1 vs T3	0.001*
	3 months	15	2.237	1.603	0.50	5.33		T2 vs T3	0.002*

^*Statistically significant

T1-Baseline, T2-1 month, T3-3 months