Table 5 Comparison of gamma and Inverse Gaussian shared frailty model with different baseline distributions
Information criteria | Models | Frailty distributions | ||
|---|---|---|---|---|
No frailty | Gamma shared frailty | Inverse Gaussian shared frailty | ||
AIC | Exponential | 6338.547 | 6260.358 | 6259.905 |
Weibull | 5782.508 | 5207.318 | 5190.444 | |
Lognormal | 5668.414 | 5446.669 | 5425.664 | |
Log logistic | 5908.365 | 5789.093 | 5788.304 | |
BIC | Exponential | 6491.496 | 6419.679 | 6419.226 |
Weibull | 5941.83 | 5373.013 | 5356.138 | |
Lognormal | 5827.736 | 5612.364 | 5591.358 | |
Log logistic | 6067.686 | 5954.787 | 5953.998 | |