Table 2 Descriptive statistics
N (implants) | Minimum | Maximum | Mean | Std.-deviation | Variance | |
|---|---|---|---|---|---|---|
Observation time (years) | 32 | 23.50 | 34.80 | 28.89 | 3.24 | 10.49 |
Bleeding-on-probing Index (number of bleeding points) | 32 | 0 | 4 | 0.94 | 1.05 | 1.09 |
Plaque Index (according to Mombelli, highest value) | 32 | 0 | 3 | 1.03 | 1.20 | 1.45 |
Pocket probing depth mesial (mm) | 32 | 1 | 7 | 2.91 | 1.65 | 2.73 |
Pocket probing depth distal (mm) | 32 | 1 | 7 | 2.72 | 1.69 | 2.85 |
Pocket probing depth buccal (mm) | 32 | 1 | 7 | 1.88 | 1.43 | 2.05 |
Pocket probing depth oral (mm) | 32 | 1 | 11 | 2.19 | 1.86 | 3.45 |
Mean pocket probing depth (mm) | 32 | 1.00 | 8.00 | 2.41 | 1.48 | 2.20 |
Width attached mucosa (mm) | 28 | 0.00 | 5.00 | 1.11 | 1.69 | 2.84 |
Marginal bone loss mesial (mm) | 32 | 0.30 | 6.95 | 2.47 | 1.75 | 3.06 |
Marginal bone loss distal (mm) | 32 | 0.10 | 7.30 | 2.52 | 2.08 | 4.33 |
Mean marginal bone loss (mm) | 32 | 0.38 | 7.13 | 2.51 | 1.84 | 3.38 |