Fig. 7

Results of sensitivity analyses. a The remaining probability when one case at a time is dropped out; the cases are ranked and the black line shows that basic P-value. b Starting with the highest ranked case, the resulting P-value when no cases are dropped, the top ranked case, the top two ranked, the nth ranked cases are dropped. c The resulting probability after randomly removing n cases; the points are the mean probability and lines 95% confidence intervals. d The impacts of adding additional cases to the controlled zone (score 3) in 2019