Table 6. Linear Regression Model of LNCFUs AT in McConkey Agar Plates in Relation to LNCFUs BT, Time Between Samples, and Treatment Groups .
| McConkey Agar (LNCFUs AT) | Coefficient (β) | Mean Ratio | 95% CI Lower | 95% CI Upper | P Value | |
|---|---|---|---|---|---|---|
| McConkey Agar (LNCFUs BT) | -0.003 | 1.00 | -0.051 | 0.045 | 0.886 | |
| Time between samples | -0.003 | 1.00 | -0.025 | 0.019 | 0.780 | |
| Laser | Group C | 1 | ||||
| Group A | -0.003 | 1.00 | -0.092 | 0.086 | 0.939 | |
| Group B | -0.014 | 0.99 | -0.102 | 0.074 | 0.731 |
LNCFUs AT, Neperian logarithm of colony-forming units after treatment; LNCFUs BT, Neperian logarithm of colony-forming units before treatment.