Table 7.

Resulting covariance matrix for the ERR fit parameters from fitting a linear-quadratic dose–response model to leukemia incidence to the atomic bomb data at attained age 70 years after exposure at age 30 years applying the EPICURE-AMFIT code to the atomic survivor data with respect to weighted RBM dose

ERR cov	βa	δb	γa	γe
βa	0.218	− 0.0555	0.00466	0.0287
δb	− 0.0555	0.123	0.0396	0.0242
γa	0.00466	0.0396	0.197	− 0.0555
γe	0.0287	0.0242	− 0.0555	0.0671

^aIn Gy⁻¹

^bIn Gy⁻²