Table 2.
Intra- and inter-group comparison of scaling and root planing and scaling and root planing + local drug delivery groups at various study intervals with respect to probing pocket depth scores
| Groups | Mean±SD | ||||
|---|---|---|---|---|---|
| Baseline | 1 month | 3 months | Changes from baseline to | ||
| 1 month | 3 months | ||||
| SRP | 6.08±0.57 | 4.88±0.56 | 4.25±0.57 | 1.20±0.30 | 1.83±0.47 |
| SRP + LDD | 6.03±0.62 | 4.20±0.57 | 3.18±0.57 | 1.83±0.34 | 2.85±0.33 |
| Percentage of change in SRP | 19.75# P=0.00001* |
30.04# P=0.00001* |
|||
| Percentage of change in SRP + LDD | 30.29# P=0.00001* |
47.30# P=0.00001* |
|||
| t | 0.2665 | 3.7769 | 5.9540 | −6.2194 | −8.0326 |
| P | 0.7913 | 0.0005* | 0.00001* | 0.00001* | 0.00001* |
*P<0.05, #Applied paired t-test. LDD: Local drug delivery, SRP: Scaling and root planing, SD: Standard deviation