Research Article
Longitudinal Relationship between Plasma Reactive Oxygen Metabolites and Periodontal Condition in the Maintenance Phase of Periodontal Treatment
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 |
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Paired -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.
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