Table 1. Clinical characteristics of the study samples.
| NGT | T2D | |
|---|---|---|
| Samples | 2199 | 2999 |
| Male/female(n) | 824(1375) | 1556(1443) |
| Age (years) | 50(39, 59) | 61(52, 71) |
| Body mass index (kg/m2) | 23.086(21.171, 25.229) | 24.000(21.500, 26.420) |
| Systolic blood pressure (mm Hg) | 120(110, 130) | 130(120, 150) |
| Diastolic blood pressure (mm Hg) | 80(70, 80) | 80(75, 90) |
| Blood urea nitrogen (mmol/L) | 4.600(3.900, 5.400) | 5.600(4.600, 6.900) |
| Serum creatinine (umol/L) | 63(54, 75) | 67(56, 82) |
| Uric acid (umol/L) | 282(235, 341) | 306(251, 370) |
| Total cholesterol (mmol/L) | 4.560(3.940, 5.200) | 4.600(4.000, 5.400) |
| Triglycerides (mmol/L) | 1.120(0.790, 1.630) | 1.460(0.960, 2.150) |
| High-density lipoprotein cholesterol(mmol/L) | 1.350(1.140, 1.560) | 1.100(0.920, 1.320) |
| Low-density lipoprotein. cholesterol(mmol/L) | 2.840(2.350, 3.390) | 2.930(2.350, 3.530) |
| Fasting glucose (mmol/L) | 5.180(4.800, 5.500) | - |
| 2-h glucose (mmol/L) | 5.550(4.710, 6.400) | - |
| Fasting Insulin (mU/L) | 5.620(4.110, 7.750) | - |
| 2-h insulin (mU/L) | 19.235(11.010, 34.140) | - |
| Homa-IR | 1.207(0.874, 1.709) | - |
| Homa-B | 82.007(54.489, 126.901) | - |
| Stumvoll-First phase insulin secretion (pmol/L) | 134.216(76.685, 238.029) | - |
| Stumvoll-second phase insulin secretion (pmol/L) | 256.166(218.691, 294.651) | - |
Data are shown as median (interquartile range) or n. NGT: normal glucose tolerance. T2D: type 2 diabetes.