Table 4 Subgroup analysis of the association between 180-minute postprandial C-peptide and DR.
| Â | Stratified Group | OR(95%Cl) | P value | P for interaction |
|---|---|---|---|---|
Age, (years) | < 60 | 0.86(0.81–0.91) | < 0.0001 | 0.303 |
≥ 60 | 0.92(0.827–1.01) | 0.094 | ||
Sex | Female | 0.86(0.78–0.93) | 0.0003 | 0.237 |
Male | 0.89(0.83–0.94) | < 0.0001 | ||
BMI (kg/m2) | < 25 | 0.88(0.81–0.95) | 0.001 | 0.606 |
≥ 25 | 0.88(0.82–0.94) | 0.0001 | ||
Diabetic duration (years) | < 5.0 | 0.89(0.83–0.96) | 0.002 | < 0.0001 |
5.0–10.0 | 0.88(0.80–0.96) | 0.007 | ||
> 10.0 | 0.98(0.89–1.09) | 0.741 | ||
Smoking history | No | 0.88(0.83–0.93) | < 0.0001 | < 0.0001 |
Yes | 0.85(0.77–0.94) | 0.003 | ||
FBG (mmol/L) | < 7 | 0.86(0.80–0.92) | < 0.0001 | 0.007 |
≥ 7 | 0.88(0.82–0.94) | 0.0001 | ||
HbA1c (%) | < 7 | 0.85(0.76–0.95) | 0.006 | 0.085 |
≥ 7 | 0.88(0.83–0.93) | < 0.0001 | ||
Fatty liver disease | No | 0.84(0.76–0.92) | 0.0002 | 0.0002 |
Yes | 0.89(0.84–0.94) | < 0.0001 |