Table 2.
The frequency of subjects with pre-diabetes and T2DM meeting the diagnostic criteria (HbA1c, FBG and 2hBG after 75 g-OGTT)
| OGTT | HbA1c* | Total | FBG† | Total | ||||
| NGT (<5.7%) |
At risk for diabetes (5.7%–6.4%) |
T2DM (>6.4%) |
NGT (<5.6 mmol/L) |
IFG (5.6–7.0 mmol/L) |
T2DM (>7.0 mmol/L) |
|||
| NGT | 454 (87.6) | 64 (12.4) | 0 | 518 | 497 (95.9) | 21 (4.1) | 0 | 518 |
| IGT | 24 (68.6) | 9 (25.7) | 2 (5.7) | 35 | 33 (94.3) | 2 (5.7) | 0 | 35 |
| T2DM | 1 (10.0) | 2 (20.0) | 7 (70.0) | 10 | 2 (20.0) | 4 (40.0) | 4 (40.0) | 10 |
| Total | 479 (85.1) | 75 (13.3) | 9 (1.6) | 563‡ | 532 (94.5) | 27 (4.8) | 5 (0.7) | 563‡ |
Numbers in brackets are percentages of horizontal total.
*Kappa coefficient 0.21.
†Kappa coefficient 0.16.
‡18 of 581 subjects disagreed to undergo 2hOGTT.
75 g-OGTT, 75 g oral glucose tolerance test; 2hBG, 2-hour blood glucose; 2h-OGTT, 2-hour oral glucose tolerance test; FBG, fasting blood glucose; HbA1c, haemoglobin A1c; IFG, impaired fasting glucose; IGT, impaired glucose tolerance; NGT, normal glucose tolerance; T2DM, type 2 diabetes.