Table 6.
The result of the two-piecewise Cox regression model
Incident diabetes | Overall (HR,95%CI, P) | Chinese (HR,95%CI, P ) | Japanese (HR,95%CI, P ) |
---|---|---|---|
Fitting the model by standard Cox regression | 2.390 (2.047, 2.792) < 0.0001 | 1.843 (1.540, 2.206) < 0.001 | 2.420 (1.665, 3.516) < 0.001 |
Fitting model by two-piecewise Cox regression model | |||
Inflection point of AIP | 0.432 | 0.436 | -0.449 |
≤Inflection point | 2.956 (2.408, 3.627) < 0.001 | 2.180 (1.717, 2.768) < 0.001 | 0.292 (0.051, 1.657) 0.165 |
>Inflection point | 0.966 (0.528, 1.766) 0.910 | 0.951 (0.493, 1.834) 0.880 | 2.842 (1.915, 4.218) < 0.001 |
P for log-likelihood ratio test | 0.001 | 0.034 | 0.027 |
We adjusted age, gender, BMI, SBP, DBP, FPG, LDL-c, ALT, AST, smoking, and drinking status
HR, Hazard ratios; CI: confidence, Ref: reference; AIP, atherogenic index of plasma