Table 3.
Comparison of reduction in OHIS among both the groups
| OHI-S | Ionic toothbrush | Normal toothbrush | Mean difference | t test value | p value | |||
|---|---|---|---|---|---|---|---|---|
| Mean | Std. deviation | Mean | Std. deviation | |||||
| Baseline (1) | 2.65 | 0.83 | 2.88 | 0.77 | −0.23 | −0.908 | 0.369 | |
| At 15 days (2) | 1.43 | 0.29 | 1.95 | 0.54 | −0.51 | −3.761 | 0.001 | |
| At 30 days (3) | 0.89 | 0.31 | 1.53 | 0.48 | −0.64 | −5.011 | <0.001 | |
| p value | <0.001 | <0.001 | ||||||
| Post hoc Bonferroni test | 3 > 2 > 1 | 3 > 2 > 1 | ||||||