Serum glucose, insulin and c peptide responses during oral glucose tolerance test in overweight/obese African-American and white American women with pre-diabetes
| OGTT | 0 min | 30 min | 60 min | 90 min | 120 min |
|---|---|---|---|---|---|
| Glucose | (mg/dL) | ||||
| African-Americans | 96.6±12.1* | 140.1±27.6** | 141.3±36.3$ | 128.4±38.7α | 123±39 |
| White Americans | 101.3±10.0 | 159.27±23.5 | 161.7±40 | 148.9±44.4 | 127.2±43.9 |
| Insulin | (µU/mL) | ||||
| African-Americans | 12.9±6.6^ | 87.6±55.0 | 102.8±56.0 | 89.3±47.7 | 89±59 |
| White Americans | 15.6±7.8 | 82.0±43.1 | 107.8±68.4 | 98.7±47.1 | 103.7±81.7 |
| c Peptide | (ng/mL) | ||||
| African-Americans | 2.69±0.9& | 8.9±3.6 | 11.3±3.6£ | 11.1±3.1α | 10.9±3.8* |
| White Americans | 3.4±1.4 | 10.0±3.8 | 13.1±4.1 | 13.8±3.9 | 10.8±5.0 |
Values are mean±SD.
AA versus WA: *p=0.06; ^0.0002; Ω<0.0001; **0.007; $0.02; α0.03; &0.008; £0.04; α0.001.
OGTT, oral glucose tolerance test.