Predicted odds ratio and proportions of B = 1000 bootstrap samples leading to a preference of contrast medium 1 for a future subject with covariates x<sub>0</sub>.

Table 4: Predicted odds ratio and proportions of B = 1000 bootstrap samples leading to a preference of contrast medium 1 for a future subject with covariates $x_{0}$ .

$x_{01}$	$x_{02}$	$\hat{OR} (x_{0})$	${\hat{P}}^{*} (x_{0}, \log (0.5))$	${\hat{ϕ}}_{D} (x_{0}, \log (0.5))$	${\hat{ϕ}}_{B} (x_{0}, \log (0.5))$
1	1	0.2	0.977	1	1
1	0	0.46	0.546	1	1
0	1	0.29	0.623	1	1
0	0	0.59	0.342	0	0