Table 1 Comparison of mean plaque scores between baseline, after the preparatory period, and at the 3-month follow-up
Period of sample recruitment | Test group (n = 37) b | Control group (n = 43) b | P value |
|---|---|---|---|
Prior to the preparatory period (baseline) | 1.3 (±0.61) | 1.53 (±0.75) | 0.56 |
After the preparatory period | 1.67 (±0.62) | 1.75 (±0.68) | 0.44 |
P value** | 0.04* | 0.29 | |
3-month follow-up | 1.11 (±0.47) | 1.29 (±0.47) | 0.478 |
P value*** | 0.007* | 0.001* |