Table 5. Variability of compliance with different oral care indicators.
| Follow-up stage | Variance | Standard deviation | Correlation coefficient 1 | Correlation coefficient 2 | Correlation coefficient 3 | Correlation coefficient 4 | Correlation coefficient 5 |
| Initial level of compliance variability | 1131.36 | 33.63 | / | / | / | / | / |
| Follow-Up II of compliance variability | 776.1 | 27.86 | -0.19 | / | / | / | / |
| Follow-Up III of compliance variability | 861.1 | 29.34 | -0.19 | 1 | / | / | / |
| Follow-Up IV of compliance variability | 687.56 | 26.22 | -0.21 | 0.99 | 0.99 | / | / |
| Follow-Up V of compliance variability | 686.6 | 26.2 | -0.25 | 0.99 | 0.99 | 1 | / |
| Follow-Up VI of compliance variability | 692.96 | 26.32 | -0.15 | 1 | 1 | 0.99 | 0.99 |
| Residual | 19.59 | 4.43 | / | / | / | / | / |