Statistical Analysis of Dependent Current Status Data with Application to Tumorigenicity Experiments - Interval-Censored-Time-to-Event Data: Methods and Applications - page 124

TABLE 5.2: Parameter Estimates along with Their Standard Errors, 95%

Confidence Limits, and p-Values Based on a Gamma Frailty

Normal frailty model:

95%CI

Estimate SE (L , U) Z P

hazard.tumor (0,12] 0.008 0.001 0.006 0.011 6.887 0.000

hazard.tumor (12,18] 0.005 0.001 0.002 0.007 3.588 0.000

hazard.tumor (18,33] 0.049 0.009 0.032 0.067 5.441 0.000

hazard.death (0,12] 0.002 0.000 0.001 0.003 4.041 0.000

hazard.death (12,18] 0.007 0.001 0.004 0.010 4.653 0.000

hazard.death (18,33] 0.076 0.010 0.056 0.095 7.589 0.000

beta1 0.211 0.185 -0.151 0.573 1.144 0.253

beta2 0.179 0.210 -0.233 0.591 0.853 0.394

beta3 0.987 0.264 0.471 1.504 3.746 0.000

theta 0.197 0.011 0.176 0.218 18.317 0.000

Full log-likelihood = 1568:018 n = 671