Research Article

β2-Microglobulin and Neutrophil Gelatinase-Associated Lipocalin, Potential Novel Urine Biomarkers in Periodontitis: A Cross-Sectional Study in Japanese

Table 1

Characteristics of the study population.

Mean ± SDMin–Max

Age (years)50.1 ± 8.633.0–68.0
Smoking status (pack-years)11.5 ± 16.70.0–80.0
BMI23.5 ± 2.816.6–32.4
eGFR (ml/min/1.73 m2)81.4 ± 13.053.5–125.7
HbA1C (%)5.4 ± 0.43.8–6.9
Parameters related to periodontitis
 O’Leary’s PCR (%)47.0 ± 22.60.0–99.0
 BOP (%)14.6 ± 14.00.0–73.8
 Mean PD (mm)2.5 ± 0.61.2–4.8
 PD ≥ 4 mm (number of sites)17.3 ± 22.30.0–114.0
 PD 4, 5 mm (number of sites)14.2 ± 16.40.0–82.0
 PD ≥ 6 mm (number of sites)3.1 ± 7.70.0–51.0
 Mean CAL (mm)2.7 ± 0.71.2–5.4
 CAL ≥ 4 mm (number of sites)28.6 ± 26.00.0–114.0
 CAL 4, 5 mm (number of sites)23.8 ± 19.50.0–91.0
 CAL ≥ 6 mm (number of sites)4.8 ± 9.40.0–58.0

Data are shown as mean ± SD and the range (minimal to maximum). BMI, body mass index; eGFR, estimated glomerular filtration rate; HbA1C, hemoglobin A1C (NGSP); O’Leary’s PCR, O’Leary’s plaque control record; BOP, bleeding on probing; PD, probing depth; CAL, clinical attachment level.