An application to calculate a patient's pretest probability
(PTP) for obstructive Coronary Artery Disease (CAD) from a collection
of guidelines or studies. Guidelines usually comes from the American
Heart Association (AHA), American College of Cardiology (ACC) or
European Society of Cardiology (ESC). Examples of PTP scores that
comes from studies are the 2020 Winther et al. basic, Risk
Factor-weighted Clinical Likelihood (RF-CL) and Coronary Artery
Calcium Score-weighted Clinical Likelihood (CACS-CL) models