Factors associated with diabetes conversion: a multivariate Cox regression with time-varying model
| Factor | HR | 95% CI | P value |
| Combined FPG (mg/dL) and HbA1c (%) | |||
| 100–109 and <5.7 | 1 | ||
| 110–125 and <5.7 | 5.89 | 2.37 to 14.63 | <0.001 |
| 100–109 and 5.7–6.49 | 16.30 | 8.59 to 30.92 | <0.001 |
| 110–125 and 5.7–6.49 | 33.84 | 16.41 to 69.78 | <0.001 |
| Body mass index (kg/m2) | |||
| <23 | 1 | ||
| 23–27.5 | 1.26 | 0.98 to 1.62 | 0.067 |
| ≥27.5 | 1.67 | 1.30 to 2.15 | <0.001 |
| Family history of DM | |||
| No | 1 | ||
| Yes | 1.27 | 1.09 to 1.47 | 0.002 |
| Triglyceride (mg/dL) | |||
| <150 | 1 | ||
| ≥150 | 1.40 | 1.19 to 1.64 | <0.001 |
| HDL-cholesterol (mg/dL) | |||
| <40 in male, <50 in female | 1 | ||
| ≥40 in male, ≥50 in female | 0.82 | 0.70 to 0.96 | 0.015 |
DM, diabetes mellitus; FPG, fasting plasma glucose; HbA1c, hemoglobin A1c; HDL, high-density lipoprotein; HR, hazard ratio.