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. Author manuscript; available in PMC: 2014 Apr 15.
Published in final edited form as: Stat Med. 2012 Sep 23;32(8):1394–1406. doi: 10.1002/sim.5635

Table I.

Estimates of model parameters (including baseline as outcome)

Terminal Decline Model Survival Model
Sample used Parameter Estimate (SE) Parameter Estimate (SE)
Full sample β0 108.44 (3.18) θ1 0.052 (0.006)
β1 12.03 (4.87) θ2 0.033 (0.006)
β2 3.99 (0.58) θ3 0.077 (0.008)
β3 0.088 (0.059) θ4 0.019 (0.005)
β4 −1.37 (0.89)
β5 −0.060 (0.096)
σ 18.22 (1.18)
τ 11.36 (0.44)
ν 9.95 (1.03)
α 0.019 (0.009)