Table 3. Predictive models of human gingivitis based on plaque microbiota.
| Error rate | MiG27 (%) | MiG15 (%) | MiG-S (%) |
|---|---|---|---|
| Clinical status | |||
| Health versus gingivitis | 6.10 | 6.10 | — |
| Categorized status of gingivitis | |||
| Based on MGI | 41.50 | 41.50 | — |
| Based on PC1 | 24.40 | 24.40 | — |
| Gingivitis sensitivity of the host | |||
| Based on change pattern of PC1 and MGI | — | — | 26.00 |
Abbreviations: MGI, Mazza Gingival Index; MiG-S, microbial index of gingivitis sensitivity; MiG, microbial index of gingivitis; PC1, first principal component.