Table 3.
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 clinical attachment level scores
| Groups | Mean±SD | ||||
|---|---|---|---|---|---|
| Baseline | 1 month | 3 months | Changes from baseline to | ||
| 1 month | 3 months | ||||
| SRP | 4.65±0.65 | 3.43±0.59 | 2.70±0.70 | 1.23±0.34 | 1.95±0.22 |
| SRP + LDD | 4.65±0.65 | 2.78±0.75 | 1.80±0.73 | 1.88±0.28 | 2.85±0.29 |
| Percentage of change in SRP | 26.34# P=0.00001* |
41.94# P=0.00001* |
|||
| Percentage of change in SRP + LDD | 40.32# P=0.00001* |
61.29# P=0.00001* |
|||
| t | 0.0000 | 3.0398 | 3.9832 | −6.6096 | −11.0959 |
| P | 1.0000 | 0.0043* | 0.0003* | 0.00001* | 0.00001* |
*P<0.05, #Applied paired t-test. LDD: Local drug delivery, SRP: Scaling and root planing, SD: Standard deviation