Table 3.

Simulation results of fitting the proposed joint model and the reduced model where data are simulated from the multivariate random effects survival model.

	Joint Model				Reduced Model
Parameter	Bias	SE	SEM	CP	Bias	SE	SEM	CP
For the probability of IBTR being NP
α0 = −2	−0.062	0.436	0.389	0.906	0.117	0.411	0.380	0.872
α1 = 3	0.092	0.560	0.514	0.918	−0.115	0.547	0.503	0.875
α2 = 4	0.140	0.794	0.728	0.928	−0.162	0.744	0.719	0.896
p = 0.8	0.008	0.069	0.066	0.908	−0.004	0.070	0.069	0.931
q = 0.9	0.001	0.022	0.022	0.942	0.000	0.023	0.022	0.929
For the time to IBTR
β1 = 0.5	−0.002	0.135	0.122	0.930	−0.122	0.093	0.092	0.721
β2 = 0.5	0.012	0.260	0.241	0.935	−0.118	0.21	0.196	0.883
ζ = 3	−0.005	0.428	0.400	0.917	−0.526	0.26	0.253	0.442
For the time to terminal event
η1 = 0.5	0.010	0.111	0.114	0.954	−0.111	0.071	0.066	0.608
η2 = 0.5	0.015	0.195	0.197	0.960	−0.112	0.134	0.136	0.875