Table 4: Comparison of gamma and Inverse Gaussian shared frailty model with different baseline distributions.
|
Information criteria |
Models |
No frailty |
Frailty distributions Gamma shared frailty |
Inverse Gaussian shared frailty |
|
AIC |
Exponential |
9227.571 |
9123.19 |
9134.199 |
|
Weibull |
8131.593 |
7715.474 |
7736.532 |
|
|
Gombertz |
8923.095 |
|
|
|
|
Lognormal |
7725.023 |
7202.576 |
7254.51 |
|
|
Log logistic |
7729.047 |
7038.206 |
7062.255 |
|
|
BIC |
Exponential |
9340.574 |
9242.471 |
9253.48 |
|
Weibull |
8250.873 |
7841.032 |
7862.09 |
|
|
Gombertz |
9042.376 |
|
|
|
|
Lognormal |
7844.304 |
7328.134 |
7380.069 |
|
|
Log logistic |
7848.327 |
7163.764 |
7187.813 |