Table 2.
AIC, Delta AIC, and BIC for the different Cox models.
| Models | AIC | BIC | |
|---|---|---|---|
| Empty Model | 8146.365 | Delta AIC | 8146.365 |
| Base Model* (M0) | 7495.757 | 5.953 | 7526.629 |
| Model 1 (M1): M0 + Daytime HR |
7494.129 | 4.325 | 7529.411 |
| Model 2 (M2): M0 + 24-hour HR |
7493.146 | 3.342 | 7528.427 |
| Model 3 (M3): M0 + Night-time HR |
7489.804 | minAIC | 7525.085 |
*
Including: Age, Gender, Diabetes, Smoking, Cholesterol, Creatinine, Systolic blood pressure
AIC indicates Akaike Information Criterion; Delta AIC is a measure of each model relative to the model with the smallest AIC (minAIC); BIC indicates Bayesian Information Criterion; HR, heart rate.