Multivariate analysis of relationships among low quartiles of FMD and FBG levels
| FBG (mg/dL) | OR (95% CI), P value | ||
| Unadjusted | Model 1 | Model 2 | |
| FBG <90 | 1 (reference) | 1 (reference) | 1 (reference) |
| FBG 90–94 | 1.19 (0.99 to 1.43), 0.06 | 1.15 (0.96 to 1.39), 0.13 | 1.07 (0.89 to 1.29), 0.46 |
| FBG 95–99 | 1.52 (1.27 to 1.82), <0.001 | 1.43 (1.19 to 1.72), <0.001 | 1.28 (1.07 to 1.55), 0.01 |
| FBG 100–109 | 1.82 (1.54 to 2.16), <0.001 | 1.66 (1.39 to 1.97), <0.001 | 1.41 (1.18 to 1.68), <0.001 |
| FBG 110–125 | 2.25 (1.81 to 2.81), <0.001 | 2.04 (1.63 to 2.56), <0.001 | 1.59 (1.26 to 2.01), <0.001 |
| FBG ≥126 or DM | 2.82 (2.32 to 3.41), <0.001 | 2.19 (1.79 to 2.67), <0.001 | 1.54 (1.25 to 1.91), <0.001 |
Model 1; adjusted for age ≥65 years old, gender.
Model 2; adjusted for age ≥65 years old, gender, hypertension, dyslipidemia, obesity, and current smoking.
Low quartile of FMD indicates less than 4.2%.
DM, diabetes mellitus; FBG, fasting blood glucose; FMD, flow-mediated vasodilation.