Let's look at the numbers behind CAC! The best evidence is found here https://jamanetwork.com/journals/jama/fullarticle/2687224 but the largest study is found here https://www.sciencedirect.com/science/article/pii/S0735109715072253?via%3Dihub but in the end they use this https://en.wikipedia.org/wiki/Net_reclassification_improvement which might trick many people but I know it won't trick the smart people that listen to questioning medicine