EIEC disease, unbuffered, in the human model data
| Dose |
Mild to severe diarrhea |
No mild to severe diarrhea |
Total |
| 1E+04 |
0 |
5 |
5 |
| 1E+04 |
0 |
5 |
5 |
| 1E+06 |
0 |
5 |
5 |
| 1E+06 |
1 |
8 |
9 |
| 1E+08 |
5 |
3 |
8 |
| 1E+08 |
3 |
2 |
5 |
|
Goodness of fit and model selection
| Model |
Deviance |
Δ |
Degrees
of freedom |
χ20.95,1
p-value |
χ20.95,m-k
p-value |
| Exponential |
3.19 |
2.24 |
5 |
3.84
0.134 |
11.1
0.67 |
| Beta Poisson |
0.951 |
4 |
9.49
0.917 |
| Exponential is preferred to beta-Poisson; cannot reject good fit for exponential. |
|
Optimized k parameter for the exponential model, from 10000 bootstrap iterations
| Parameter |
MLE estimate |
Percentiles |
| 0.5% |
2.5% |
5% |
95% |
97.5% |
99.5% |
| k |
1.07E-08 |
3.63E-09 |
4.79E-09 |
5.77E-09 |
2.04E-08 |
2.28E-08 |
3.21E-08 |
| ID50/LD50/ETC* |
6.5E+07 |
2.16E+07 |
3.04E+07 |
3.40E+07 |
1.20E+08 |
1.45E+08 |
1.91E+08 |
| *Not a parameter of the exponential model; however, it facilitates comparison with other models. |
|
Parameter histogram for exponential model (uncertainty of the parameter)
Exponential model plot, with confidence bounds around optimized model
QMRA 
