Table 1.
Characteristics of the study population at baseline and 5-year follow-up.
| Variables | Baseline (N = 45) | Follow-up (N = 45) | P value* |
|---|---|---|---|
|
N (%) or Mean ± SD |
N (%) or Mean ± SD |
||
| Gender | — | ||
| Male | 4 (8.9) | ||
| Female | 41 (91.1) | ||
| Age (years) | 58.8 ± 10.1 | 64.6 ± 10.2 | — |
| Teeth present (n) | 25.0 ± 4.4 | 24.1 ± 4.9 | <0.001 |
| Periodontal parameters | |||
| PPD (mm) | 1.8 ± 0.3 | 1.9 ± 0.3 | 0.107 |
| CAL (mm) | 2.6 ± 1.1 | 2.8 ± 1.1 | 0.001 |
| Teeth with CAL ≥7 mm (n) | 1.2 ± 2.9 | 1.7 ± 3.6 | <0.001 |
| Sites with BOP (%) | 4.5 ± 4.1 | 7.7 ± 7.6 | 0.012 |
| PCR (%) | 16.0 ± 13.4 | 21.3 ± 17.8 | 0.044 |
| Plasma parameters | |||
| ROM (CARR U) | 390.6 ± 61.0 | 389.4 ± 63.8 | 0.913 |
| BAP (μmol/L) | 2380.6 ± 244.8 | 1784.1 ± 501.5 | <0.001 |
*Paired t-test.
N: number; SD: standard deviation; PPD: probing pocket depth; CAL: clinical attachment level; BOP: bleeding on probing; PCR: plaque control record; ROM: reactive oxygen metabolites; CARR U: Carratelli units; and BAP: biologic antioxidant potential.