Table 1. Comparison of the mean values of the two groups of PI (plaque index) and BI (bleeding index) at t0 and t4w.
| Group | Mean | Standard deviation | p -Value a |
|---|---|---|---|
|
a
p
-value (level of significance) < 0.05 is considered statistically significant (Student’s
t
-test).
t0: before treatment; t4W: 30 days after treatment. | |||
| PI t0 | |||
| Study group | 58 | 13.03 | 0.48 |
| Control group | 53.9 | 12.04 | |
| BI t0 | |||
| Study group | 33.5 | 7.87 | 1.0 |
| Control group | 33.5 | 8.40 | |
| PI t4W | |||
| Study group | 19.3 | 10.37 | 0.0372 |
| Control group | 29.1 | 9.06 | |
| BI t4W | |||
| Study group | 5.0 | 3.43 | 0.0003 |
| Control group | 16.2 | 7.11 | |