positive and negative likelihood ratios - hopetomatchsoon

[ArchivalUser]

Can anyone explain the concept of positive likehood ratios and negative likelihood ratios? And how to calculate them?

[ArchivalUser]

Positive Likelihood ratio= Sensitivity/ (1-Specificity). If more than 10 then its strong, if

[ArchivalUser]

Positive Likelihood ratio= Sensitivity/ (1-Specificity). If more than 10 then its strong, if

[ArchivalUser]

if less than 0.01 then its ruled out

[ArchivalUser]

Negative Likelihood ratio: (1-Sensitivity)/ Specificity .
My computer is acting up sorry about the repeated messages!

[ArchivalUser]

Perfect, thanks!

[ArchivalUser]

how to interpret negative likelihood ratio? What type of questions should this be used?
Please explain.