Table 2 Comparison of observed and fitted embryonic mortality in the rodent data set.

From: Quantitative modeling of multigenerational effects of chronic ionizing radiation using targeted and nontargeted effects

Location

Time since 1986 (years)

Dose rate (µGy/h)

Robust linear regression fit to ln[dose rate] as function of time

Observed embryonic mortality

Fitted embryonic mortality

Intercept (R0)

Slope (λ, years−1)

Site 2

0

0.0021

− 6.17

0.00

0.072

0.022

Site 2

6

0.0021

− 6.17

0.00

0.044

0.022

Site 2

5

0.23

− 0.69

0.16

0.054

0.054

Site 2

10

0.10

− 0.69

0.16

0.114

0.112

Site 3

2

2.42

1.36

0.28

0.000

0.051

Site 3

3

1.85

1.36

0.28

0.065

0.072

Site 3

5

0.75

1.36

0.28

0.099

0.115

Site 3

10

0.27

1.36

0.28

0.267

0.218

Site 4

2

10.23

2.89

0.24

0.048

0.066

Site 4

3

11.07

2.89

0.24

0.060

0.089

Site 4

5

4.32

2.89

0.24

0.155

0.134

Site 4

10

1.81

2.89

0.24

0.216

0.236

  1. R2 for observed versus model-fitted values was 0.84, and RMSE was 0.029.