Table 1: Descriptive statistics showing the intergroup comparison of bacterial counts (CFUs) among different groups at the end of 24 hours, 3 days and 7 days

Time of assessment

Groups with mean and SD

p*-value, sig

Pairwise comparison**

Group I

Group II

Group III

Group IV

Group V

24 hours

170 ± 16.0

0.0 ± 0.0

238.1 ± 26.8

626.9 ± 68.6

0.0 ± 0.0

<0.001 HS

I & III(68.0)

I & IV(456.8)

III & IV(378.5)

3 days

221.3 ± 27.4

0.0 ± 0.0

306.1 ± 25.0

632.4 ± 53.8

0.0 ± 0.0

<0.001 HS

I & III(84.9)

I & IV(411.1)

III & IV(326.3)

7 days

285.4 ± 19.6

0.0 ± 0.0

328.4 ± 23.0

631.3 ± 41.6

0.0 ± 0.0

<0.001 HS

I & III(65.5)

I & IV(444.0)

III & IV(378.5)

* Kruskal-Wallis test; **Mann-Whitney U test; HS: Highly significant