Figure 1
Figure 2
A comparison of bacterial count (log10) using different cleaning methods_
| a. Descriptive statistics and comparison of bacterial count (log10) using different cleaning methods (Kruskal–Wallis test). | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 95% confidence interval for Mean | |||||||||
| Median | Min | Max | Mean | Std. dev | Std. error | Lower bound | Upper bound | P value | |
| Water | 5.46a | 0.00 | 7.11 | 5.09 | 1.79 | 0.39 | 4.28 | 5.91 | 0.001* |
| Brush+soap | 4.95b | 0.00 | 6.46 | 4.34 | 1.94 | 0.42 | 3.46 | 5.22 | |
| Tablet | 4.45b | 0.00 | 6.46 | 4.22 | 1.28 | 0.28 | 3.6 | 4.8 | |
| Brush+water | 4.36b | 0.00 | 5.54 | 3.29 | 2.41 | 0.53 | 2.19 | 4.38 | |
| Brush+toothpaste | 4.26b | 0.00 | 6.08 | 3.05 | 2.51 | 0.55 | 1.91 | 4.20 | |
| b. Pairwise comparison of bacterial count (log10) using different cleaning methods (Mann–Whitney U test). | |||||||||
| P value of difference versus other groups | |||||||||
| Group | Water | Brush and toothpaste | Brush and soap | Brush and water | Tablet | ||||
| Water | 0.001* | 0.016* | 0.000* | 0.001* | |||||
| Brush and toothpaste | 0.001* | 0.110 | 0.690 | 0.456 | |||||
| Brush and soap | 0.016* | 0.110 | 0.234 | 0.182 | |||||
| Brush and water | 0.000* | 0.690 | 0.234 | 0.880 | |||||
| Tablet | 0.001* | 0.456 | 0.182 | 0.880 | |||||