Table 5.
Age-adjusted and sex-adjusted ORs and 95% CIs for IR, MS and its components according to haemoglobin A1c categories
| ADA criteria | P for trend | Our proposed criteria | P for trend | |||||
| <5.7% | 5.7%–6.5% | ≥6.5% | <5.5% | 5.5%–6.1% | ≥6.1% | |||
| Elevated BP | 1 (ref) | 1.55 (0.88 to 2.74) |
17.75** (3.26 to 96.76) |
0.002 | 1 (ref) | 1.37 (0.89 to 2.15) |
5.63** (1.88 to 16.65) |
0.006 |
| Dyslipidaemia | 1 | 1.53 (0.91 to 2.57) |
5.02* (1.22 to 20.61) |
0.026 | 1 | 1.61* (1.10 to 2.37) |
3.34* (1.17 to 9.54) |
0.008 |
| IR | 1 | 2.10** (1.25to 3.55） |
21.50** (2.56 to 180.56) |
<0.001 | 1 | 2.19** (1.46 to 3.29) |
8.69* (2.54 to 29.70) |
<0.001 |
| MS | 1 | 1.95* (1.04 to 3.64) |
20.80** (4.15 to 104.22) |
<0.001 | 1 | 2.09** (1.27 to 3.45) |
11.63** (3.85 to 35.10) |
<0.001 |
*Versus ref. p<0.05; **versus ref. p<0.01.
ADA, American Diabetes Association; BP, blood pressure; IR, insulin resistance, defined by the index of homeostasis model assessment of insulin resistance >2.6; MS, metabolic syndrome.