Research Article

Regression Analysis for Outcome-Dependent Sampling Design under the Covariate-Adjusted Additive Hazards Model

Table 4

Simulation results when .

CutpointsMethod
BiasSDSECPBiasSDSECP

(0.3, 0.7)Oracle0.00120.08100.08940.9710.18120.17620.955
Naive0.00090.08040.08950.9730.11540.11510.11120.843
Proposed0.00110.08090.08950.9710.00610.17840.17260.956
(0.2, 0.8)Oracle0.07460.07730.9550.15330.15400.949
Naive0.07470.07740.9570.11540.09950.09730.791
Proposed0.07460.07730.9570.00550.15230.15110.950

(0.3, 0.7)Oracle0.08790.08700.9430.00250.18360.17990.935
Naive0.08780.08720.9430.11660.11260.11270.855
Proposed0.08770.08710.9420.00990.17910.17620.941
(0.2, 0.8)Oracle0.00180.07380.07470.9540.15980.15370.936
Naive0.00180.07430.07480.9550.11800.09850.09600.771
Proposed0.00190.07390.07470.9540.00130.15680.15050.936

. “Oracle” denotes the oracle estimator calculated based on the true covariate. “Naive” denotes the naive estimator calculated based on the unadjusted covariate. “Proposed” denotes the proposed estimator calculated based on the adjusted covariate.