Table 3.
Comparison of microbiological parameters at different observation periods in different groups.
| Parameter | Group | Baseline | 4 weeks | Change | P value |
|---|---|---|---|---|---|
| Spirochetes | CHX + SRP | 47.74 ± 4.47 | 9.88 ± 2.97 | 37.82 ± 5.29 | <0.001** |
| LASER + SRP | 47.57 ± 4.07 | 13.03 ± 3.57 | 34.54 ± 5.68 | <0.001** | |
| SRP (Control) | 47.93 ± 4.72 | 19.71 ± 3.13 | 28.22 ± 5.64 | <0.001** | |
| CHX + SRP vs SRP - p < 0.001** | LASER + SRP vs SRP - p < 0.001** | CHX + SRP vs LASER + SRP - p = 0.061 | |||
| Motile rods | CHX + SRP | 30.14 ± 3.69 | 17.36 ± 4.66 | 12.79 ± 5.03 | <0.001** |
| LASER + SRP | 29.91 ± 3.89 | 19.95 ± 4.96 | 9.96 ± 4.48 | <0.001** | |
| SRP (Control) | 29.89 ± 3.62 | 24.11 ± 3.15 | 5.78 ± 4.14 | <0.001** | |
| CHX + SRP vs SRP p < 0.001** | LASER + SRP vs SRP p < 0.001** | CHX + SRP vs LASER + SRP p = 0.014 | |||
| Coccoid cells | CHX + SRP | 17.47 ± 3.02 | 65.76 ± 7.15 | 48.29 ± 7.40 | <0.001** |
| LASER + SRP | 18.03 ± 3.04 | 60.52 ± 7.73 | 42.49 ± 7.08 | <0.001** | |
| SRP (Control) | 17.12 ± 3.40 | 50.41 ± 5.74 | 33.31 ± 7.00 | <0.001** | |
| CHX + SRP vs SRP p < 0.001** | LASER + SRP vs SRP p < 0.001** | CHX + SRP vs LASER + SRP p = 0.007** | |||