Franz Wiesbauer looks at the impact of specificity and sensitivity on positive predictive value (and thus validity of a test) and why one has a bigger impact than the other.
Best literature on resuscitation published 2018 including Paramedic 2, Airways 2, CAM. A rapid fire review critically analysing the hottest papers published during 2018
Franz Wiesbauer looks at how a doctor can work out the probability of disease when confronted with a positive or a negative test result and how the prevalence of a given disease affects this probability.