Research Article

A Flexible Bayesian Parametric Proportional Hazard Model: Simulation and Applications to Right-Censored Healthcare Data

Table 11

Posterior properties summaries and the information criterion values for the considered GLL PH model and its competing models for the lung cancer data.

SummariesPosterior characteristics
Parametric competitive modelsParameter(s)Posterior meanPosterior SDPr (>|0|data)HPD interval (95%)

GLL-PH model (DIC = 1505.165)
Alpha1.3170.1731.000(1.001, 1.661)
(diagt)0.0020.0100.598(−0.019, 0.021)
(age)−0.0240.0080.003(−0.039, −0.007)
(prior)−0.0150.0210.244(−0.057, 0.026)
(trt)−0.1510.1780.199(−0.505, 0.186)
Eta0.0420.0151.000(0.016, 0.073)
Kappa0.1030.0491.000(0.029, 0.200)

Weibull-PH model (DIC = 1521.310)
Alpha0.7440.0481.000(0.654, 0.842)
(diagt)0.0050.0100.648(−0.018, 0.024)
(age)−0.0250.0070.001(−0.039, −0.010)
(prior)−1.0270.0210.102(−0.068, 0.015)
(trt)−0.2520.1800.080(−0.593, 0.108)
Kappa0.2060.0901.000(0.060, 0.388)

Gompertz-PH model (DIC = 1556.407)
Alpha1.1340.3111.000(0.567, 1.746)
(diagt)0.0210.0090.984(0.003, 0.039)
(age)0.0270.0061.000(0.014, 0.039)
(prior)−0.0560.0230.006(−0.099, −0.012)
(trt)−0.1360.1820.228(−0.494, −0.211)
Kappa0.0010.00021.000(0.001, 0.002)