Table 3.
Pairwise comparison of mean PI and GI between PR, CH and PL groups after intervention
| Groups | Mean difference (95% CI) | p-value |
|---|---|---|
| PI | ||
| PR vs. CH |
-0.22 (-0.331, -0.102) |
< 0.001* |
| PR vs. PL |
-0.51 (-0.628, -0.399) |
< 0.001* |
| CH vs. PL |
-0.25 (-0.411, -0.183) |
< 0.001* |
| GI | ||
| PR vs. CH |
-0.25 (-0.373, -0.133) |
< 0.001* |
| PR vs. PL |
-0.50 (-0.618, -0.378) |
< 0.001* |
| CH vs. PL |
-0.25 (-0.365, -0.125) |
< 0.001* |
PR Propolis, CH Chlorhexidine, PL Placebo, PI Plaque index, GI Gingival index
*p < 0.05 statistically significant (post-hoc test applied using Bonferroni method)