Table 2. Comparison of gingival index between baseline and 3 days for each toothpaste.
| Study groups | Time | N | Mean (SD) | Minimum | Maximum | Median (Q1–Q3) | Wilcoxon signed-rank test | |
|---|---|---|---|---|---|---|---|---|
| z | p -Value | |||||||
| Toothpaste 1 | Baseline | 20 | 0.14 (0.18) | 0 | 0.71 | 0.08 (0–0.19) | −1.33 | 0.18(NS) |
| 3 days | 20 | 0.12 (0.14) | 0 | 0.5 | 0.08 (0.01–0.13) | |||
| Toothpaste 2 | Baseline | 20 | 0.12 (0.16) | 0 | 0.5 | 0.04 (0–0.16) | −2.97 | 0.003 a |
| 3 days | 20 | 0.05 (0.08) | 0 | 0.3 | 0.04 (0–0.04) | |||
Abbreviation: NS, nonsignificant.
a
p < 0.05 statistically significant, p > 0.05 nonsignificant.