Before using a diagnostic test, a person's probability of having a certain disease is defined as pre-test probability. Get your test done on the patient, and this will change to post-test probability, with the help of likelihood ratio. So what is it, and what is the difference between post-test odds and probability? All are explained in this video, enjoy!
Contents:
0:16 - Likelihood ratio definition
1:23 - Formula of likelihood ratio
1:59 - Probability vs Odds
3:25 - Odds to probability conversion
3:50 - Solved example
7:30 - Likelihood Nomogram
For more content on biostats:
/ khalemedic
30 июл 2024
