Table A1.
Results from the exploratory factor analysis given as the factor structure with the respective factor loadings.
| Periodontal Parameters | ‘Initial’ Periodontitis | ‘Moderate/Severe’ Periodontitis |
|---|---|---|
| # sites with CAL 2 mm approximal | 0.595 | - |
| # sites with CAL 2 mm smooth | 0.413 | - |
| # sites with CAL 3 mm approximal | 0.898 | - |
| # sites with CAL 3 mm smooth | - | 0.636 |
| # sites with CAL 4 mm approximal | - | 0.596 |
| # sites with CAL 4 mm smooth | - | - |
| # sites with CAL 5 mm approximal | - | 0.985 |
| # sites with CAL 5 mm smooth | - | - |
| # sites with CAL 6 mm approximal | - | 0.565 |
| # sites with CAL 6 mm smooth | - | - |
| # sites with CAL ≥ 7 mm approximal | - | 0.891 |
| # sites with CAL ≥ 7 mm smooth | - | 0.693 |
| # sites with PPD 2 mm approximal | - | - |
| # sites with PPD 2 mm smooth | - | - |
| # sites with PPD 3 mm approximal | 0.692 | - |
| # sites with PPD 3 mm smooth | 0.554 | - |
| # sites with PPD 4 mm approximal | 0.902 | - |
| # sites with PPD 4 mm smooth | - | 0.792 |
| # sites with PPD 5 mm approximal | - | 0.651 |
| # sites with PPD 5 mm smooth | - | 0.647 |
| # sites with PPD 6 mm approximal | - | 0.987 |
| # sites with PPD 6 mm smooth | - | 0.482 |
| # sites with PPD ≥ 7 mm approximal | - | 0.819 |
| # sites with PPD ≥ 7 mm smooth | - | 0.857 |
| # sites with BOP | 0.575 | - |