in the -ve predictive value slide you wrote FN/(TN+FN) and in your calculation you divided the TN=82 not the FN=4 !! also in the effect of prevalence slide there are many mistakes 1st the specificity is = 93.3% not 96% 2nd the NPV according to your last slid it is equal to 37.8% not 62%
in the -ve predictive value slide you wrote
FN/(TN+FN) and in your calculation you divided the TN=82 not the FN=4 !!
also in the effect of prevalence slide there are many mistakes
1st the specificity is = 93.3% not 96%
2nd the NPV according to your last slid it is equal to 37.8% not 62%
great video, thank you so much