Table 4.
Comparison of change in mean percentage of sites with plaque index between two groups.
| Duration in days | Mean percentage of sites with Plaque index |
P Value (Group I Vs II) |
||||
|---|---|---|---|---|---|---|
| Group I (N = 102) |
Group II (N = 089) |
|||||
| % site PI 0–2 | % site PI 2–3 | % site PI 0–2 | % site PI 2–3 | % site PI 0–2 | % site PI 2–3 | |
| Baseline (Mean ± SD) |
60.78 ± 29.33 | 35.78 ± 29.54 | 62.08 ± 29.94 | 33.99 ± 29.97 | 0.763 NS |
0.679 NS |
| 15 (Mean ± SD) |
01.47 ± 06.88 | 00.00 ± 00.00 | 00.56 ± 03.73 | 00.00 ± 00.00 | ||
| 90 (Mean ± SD) |
02.21 ± 07.13 | 00.00 ± 00.00 | 42.70 ± 32.68 | 04.21 ± 15.19 | ||
| Mean Diff. between Baseline – 15 days (P value) |
*−59.31 ± 32.42 (0.001) |
*−35.78 ± 29.54 (0.001) |
*−61.52 ± 29.69 (0.001) |
*−33.99 ± 29.97 (0.001) |
0.623 NS |
0.679 NS |
| Mean change between groups (B – D15) |
−2.21 | 01.79 | ||||
| Mean Diff. between Baseline – 90 days (P value) |
*−58.57 ± 30.36 (0.001) |
*−35.78 ± 29.54 (0.001) |
*−19.38 ± 44.55 (0.001) |
*−29.78 ± 30.82 (0.001) |
*0.001 | 0.173 NS |
| Mean change between groups (B – D90) |
39.19 | 06.00 | ||||
By Student‘t’ test.
NS = Not Significant.
By ANCOVA.
*
Significant.