Table 5.
Correlation between decayed, missing, filled surfaces on the tooth and colony-forming units per ml value at baseline and 18th month
| Values | Group | Spearman’s rank correlation coefficient | Significance (P) |
|---|---|---|---|
| Baseline | PrBTB | 0.166 | 0.484 (NS) |
| PoBTB | 0.232 | 0.325 (NS) | |
| RPoBTB | −0.044 | 0.853 (NS) | |
| 18th month | PrBTB | 0.060 | 0.841 (NS) |
| PoBTB | −0.053 | 0.824 (NS) | |
| RPoBTB | −0.371 | 0.107 (NS) |
NS: Not significant, P≤0.05 statistically significant, PrBTB: Prebreakfast tooth brushing group, PoBTB: Postbreakfast tooth brushing group, RPoBTB: Prebreakfast rinsing followed by postbreakfast tooth brushing group