Association between PISA and HbA1c, FPG, BMI, and VFA
| PISA | Crude model | Multivariate analysis model | |||||
| Coef. | 95% CI | P value | Coef. | SE | 95% CI | P value | |
| Continuous variable | |||||||
| HbA1c (%) | 32.3 | 3.1 to 61.5 | 0.03 | 38.1* | 14.6 | 8.85 to 67.29 | 0.01 |
| FPG (mg/dL) | 0.8 | −0.2 to 1.8 | 0.11 | 0.8† | 0.5 | −0.25 to 1.83 | 0.13 |
| BMI (kg/m2) | −4.5 | −16.9 to 8.0 | 0.48 | −10.3† | 6.5 | −9.0 to 0.1 | 0.12 |
| VFA (cm2) | −0.2 | −1.5 to 1.1 | 0.74 | −0.5* | 0.8 | −2.0 to 1.1 | 0.57 |
| Categorical variable | |||||||
| HbA1c T3 (compared with T1,2) | 78.1 | −41.8 to 198.1 | 0.20 | 102.2* | 59.1 | −15.90 to 220.3 | 0.09 |
| FPG T3 (compared with T1,2) | 158.1 | 39.8 to 276.3 | 0.01 | 167.0* | 59.2 | 48.60 to 285.4 | 0.006 |
| BMI≥25 kg/m2 (compared with <25 kg/m2) | 9.3 | −108.2 to 126.8 | 0.88 | −1.3† | 57.5 | −116.2 to 113.6 | 0.98 |
| VFA≥100 cm2 (compared with <100 cm2) | 23.2 | −99.8 to 146.1 | 0.71 | 64.4* | 73.1 | −81.9 to 210.6 | 0.38 |
HbA1c and FPG were analyzed with categorical variable for the highest tertile.
BMI and VFA were analyzed with categorical variable for criteria of BMI=25, VFA=100, respectively.
*Means adjusted for age, sex, smoking status, BMI, and plaque control record.
†Means adjusted for age, sex, smoking status, and plaque control record.
BMI, body mass index; Coef, coefficient; FPG, fasting plasma glucose; HbA1c, hemoglobin A1c; PISA, periodontal inflamed surface area; T, tertile; VFA, visceral fat area.