Host type
# of Doses
7.00
Μodel
k
3.22E-7
Dose Units
Response
Agent Strain
PA01
Exposure Route
Experiment Dataset
Dose (CFU)Positive ResponseNegative Response
80000010
400000010
900000010
200000025
300000064
4500000100
8000000100
Description: 
Table 1: Goodness of fit
Model Deviance Δ Degrees 
of freedom
χ20.95,1 
p-value
χ20.95,m-k 
p-value
Exponential 16.88 0.001 6 3.84 
0.98
12.6
0.009
Beta Poisson 16.88 5 11.1
0.004
Neither model provides a good fit to the data

 

Table 2: Multi-hit dose response statistics
Model Deviance Δ DF

χ20.95,df

χ20.95,1

Good fit? Parameters LD50
Multi-hit 1.09 15.69 5 11.1 3.84 Yes k = 4.12 × 10−6 kmin=11 2,588,047

 

Fig. 1. The multi-hit dose response model with 95% and 99% confidence bands

 

Fig 2. Histogram of the k parameter estimates after bootstrapping