From: Investigating hospital heterogeneity with a multi-state frailty model: application to nosocomial pneumonia disease in intensive care units
Transition
01
02
03
12
13
θ hk =(a hk ,b hk )
(1.3,15)
(1.3,35)
(1.25,15)
(1.3,45)
(1.25,41)
β hk =( β hk 1 , β hk 2 )
(0.8,1.0)
(0.6,1.2)
(1.3,0.3)
(0.7,1.1)