Table 1.
Subject characteristics by glucose tolerance group
| NGT (1), n = 101 | IGT (2), n = 50 | T2DM (3), n = 23 | OB-T1DM (4), n = 14 | P, ANOVA |
P, post hoc |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 vs. 2 | 1 vs. 3 | 1 vs. 4 | 2 vs. 3 | 2 vs. 4 | 3 vs. 4 | ||||||
| Age (yr) | 14.8 ± 0.2 | 14.7 ± 0.3 | 15.0 ± 0.4 | 14.1 ± 1.6 | 0.60 | ||||||
| Sex (% male) | 38 | 32 | 43 | 36 | 0.81 | ||||||
| Tanner stage (% IV–V) | 88 | 88 | 87 | 79 | 0.29 | ||||||
| Race (% African-American, White, biracial) | 44, 51, 5 | 36, 62, 2 | 43, 57, 0 | 36, 64, 0 | 0.91 | ||||||
| BMI (kg/m2) | 34.7 ± 0.6 | 36.5 ± 0.9 | 35.9 ± 1.1 | 30.6 ± 1.4 | 0.01 | NS | NS | 0.10 | NS | 0.01 | 0.06 |
| BMI percentile | 97.7 ± 0.2 | 98.7 ± 0.2 | 98.8 ± 0.1 | 95.7 ± 1.0 | <0.001 | 0.04 | NS | 0.01 | NS | <0.001 | <0.001 |
| % overweight/% obese | 10/90 | 2/98 | 0/100 | 29/71 | |||||||
| Fat mass (kg) | 40.7 ± 1.4 | 43.0 ± 1.7 | 40.1 ± 2.1 | 32.9 ± 3.1 | 0.07 | ||||||
| FFM (kg) | 50.5 ± 1.0 | 51.3 ± 1.4 | 53.3 ± 2.4 | 46.3 ± 2.6 | 0.22 | ||||||
| Total body fat (%) | 42.8 ± 0.8 | 44.1 ± 0.7 | 42.1 ± 1.4 | 39.9 ± 2.2 | 0.21 | ||||||
| HbA1C (%) | 5.4 ± 0.04 | 5.4 ± 0.06 | 6.6 ± 0.14 | 6.3 ± 0.29 | <0.001 | NS | <0.001 | <0.001 | <0.001 | <0.001 | NS |
NS, Not significant.