Table 1 Characteristics of evaluated and analyzed implants. Average of non-PI-group show the mean value of non-PI in the analyzed population obtained from 100 trials. SD: standard deviation, PCR: plaque control record, OS: number of occlusal supports, KMW: keratinized mucosa width.
From: Predictive modeling for peri-implantitis by using machine learning techniques
Variables | Original data (n = 1408) | Analyzed data | |||||
|---|---|---|---|---|---|---|---|
PI-group | Non-PI-group | Average of non-PI-group (n = 127*100 trials) | |||||
Categorical variables | n | % | n | % | n/100 | % | |
Total | 127 | 1281 | 127 | ||||
Sex | Men | 56 | 44.1 | 450 | 35.1 | 43.4 | 34.2 |
Women | 71 | 55.9 | 831 | 64.9 | 83.6 | 65.8 | |
History of periodontitis | No | 53 | 41.7 | 621 | 48.5 | 61.6 | 48.5 |
Yes | 74 | 58.3 | 660 | 51.5 | 65.4 | 51.5 | |
Implant position | Mandible | 70 | 55.1 | 564 | 44.0 | 56.3 | 44.3 |
Maxilla | 57 | 44.9 | 717 | 56.0 | 70.7 | 55.7 | |
Fixation method | Screw | 90 | 70.9 | 928 | 72.4 | 91.7 | 72.2 |
Cement | 37 | 29.1 | 353 | 27.6 | 35.3 | 27.8 | |
Continuous variables | Mean | SD | Mean | SD | Mean | SD | |
|---|---|---|---|---|---|---|---|
Age | (years) | 67.06 | 11.75 | 65.77 | 10.41 | 65.75 | 10.51 |
PCR | (%) | 30.20 | 22.46 | 22.06 | 17.91 | 21.98 | 17.84 |
Smoking | (cigarettes) | 3.98 | 8.98 | 1.99 | 6.49 | 1.90 | 6.34 |
OS | (unit) | 5.91 | 4.32 | 7.40 | 3.85 | 7.37 | 3.88 |
Functional time | (months) | 62.58 | 32.05 | 70.66 | 29.86 | 70.92 | 29.78 |
KMW | (mm) | 1.52 | 1.50 | 2.39 | 1.74 | 2.37 | 1.73 |
Bone loss | (mm) | 1.71 | 0.77 | 0.09 | 0.44 | 0.09 | 0.45 |
