Table 4.
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 microbiota
| Groups | Mean±SD | ||||
|---|---|---|---|---|---|
| Baseline | 1 month | 3 months | Changes from baseline to | ||
| 1 month | 3 months | ||||
| SRP | 39.05±7.10 | 55.95±6.93 | 55.75±7.61 | 16.90±5.88 | 16.70±6.95 |
| SRP + LDD | 39.05±7.10 | 65.45±4.88 | 65.65±4.77 | 26.40±6.85 | 26.60±6.95 |
| Percentage of change in SRP | 43.28# P=0.0001* |
42.77# P=0.0001* |
|||
| Percentage of change in SRP + LDD | 67.61# P=0.0001* |
68.12# P=0.0001* |
|||
| t | 0.0000 | −4.0169 | −4.1522 | −3.9628 | −3.7870 |
| P | 1.0000 | 0.0001* | 0.00001* | 0.0001* | 0.0002* |
*P<0.05, #Applied Wilcoxon matched pairs test. SD: Standard deviation, SRP: Scaling and root planing, LDD: Local drug delivery