Table 1.
Clinical characteristics of the study population.
| Normal (n = 297) | IFG/IGT (n = 260) | Unknown DM (n = 97) | P value* | Known DM (n = 145) | P value** | |
|---|---|---|---|---|---|---|
| Age (year) | 61.7 ± 8.1 | 63.0 ± 7.8 | 63.0 ± 6.7 | NS | 60.3 ± 11.0 | NS |
| % female | 82.9 | 83.9 | 87.8 | NS | 65.6 | <0.01 |
| Weight (kg) | 57.9 ± 10.1 | 61.3 ± 9.8 | 65.1 ± 10.1 | <0.01 | 64.0 ± 13.1 | <0.01 |
| Height (cm) | 154.5 ± 7.2 | 154.1 ± 6.8 | 153.9 ± 6.0 | NS | 157.1 ± 9.6 | <0.01 |
| BMI (kg/m2) | 24.2 ± 3.6 | 25.8 ± 3.6 | 27.6 ± 4.4 | <0.01 | 26.1 ± 6.5 | <0.01 |
| Fasting plasma glucose (mg/dL) | 90.2 ± 6.0 | 100.5 ± 8.7 | 129.5 ± 36.9 | <0.01 | 148.4 ± 47.3 | <0.01 |
| 2 hr glucose (mg/dL) | 110.6 ± 16.4 | 146.5 ± 26.5 | 263.1 ± 55.1 | <0.01 | — | — |
| HOMA-IR | 1.5 ± 0.8 | 2.3 ± 1.4 | 4.6 ± 3.3 | <0.01 | 5.8 ± 6.3 | <0.01 |
| HOMA-B | 95.2 ± 57.5 | 90.4 ± 44.4 | 95.8 ± 119.8 | NS | 76.5 ± 5.0 | <0.01 |
∗Comparison among subjects with no previous history of diabetes.
**Comparison between normal and known DM subjects.
DM = diabetes mellitus; HOMA = homeostatic model assessment; NS = not significant.