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 ± SD
Min–Max
Age (years)
50.1 ± 8.6
33.0–68.0
Smoking status (pack-years)
11.5 ± 16.7
0.0–80.0
BMI
23.5 ± 2.8
16.6–32.4
eGFR (ml/min/1.73 m2)
81.4 ± 13.0
53.5–125.7
HbA1C (%)
5.4 ± 0.4
3.8–6.9
Parameters related to periodontitis
O’Leary’s PCR (%)
47.0 ± 22.6
0.0–99.0
BOP (%)
14.6 ± 14.0
0.0–73.8
Mean PD (mm)
2.5 ± 0.6
1.2–4.8
PD ≥ 4 mm (number of sites)
17.3 ± 22.3
0.0–114.0
PD 4, 5 mm (number of sites)
14.2 ± 16.4
0.0–82.0
PD ≥ 6 mm (number of sites)
3.1 ± 7.7
0.0–51.0
Mean CAL (mm)
2.7 ± 0.7
1.2–5.4
CAL ≥ 4 mm (number of sites)
28.6 ± 26.0
0.0–114.0
CAL 4, 5 mm (number of sites)
23.8 ± 19.5
0.0–91.0
CAL ≥ 6 mm (number of sites)
4.8 ± 9.4
0.0–58.0
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.