Table 2: Descriptive statistics showing the intragroup comparison of bacterial counts (CFUs) in different groups at the end of 24 hours, 3 days and 7 days

Groups with mean and SD		Time of assessment						p*-value, sig		Pairwise comparison**
		24 hours		3 days		7 days
Group I		170.1 ± 16.0		221.3 ±27.4		285.4 ± 19.6		<0.001 HS		24 hours & 3 days (51.1),
										24 hours & 7 days (115.3)
Group II		0.0 ± 0.0		0.0 ± 0.0		0.0 ± 0.0		–		–
Group III		238.1 ± 26.8		306.1 ± 25.0		328.4 ± 23.0		0.008 S		24 hours & 3 days (68.0),
										24 hours & 7 days (90.3),
Group IV		626.9 ± 68.6		632.4 ± 53.8		631.3 ±41.6		0.2 NS		–
Group V		0.0 ± 0.0		0.0 ± 0.0		0.0 ± 0.0		–		–

*Friedman's test; **Wilcoxon's signed-rank test; HS: Highly significant, S: Significant; NS: Not significant