SLIDE 15 How Do We Identify At-Risk Patients?
REACH Dutch ASA score DAPT* PARIS PRECISE-DAPT BleeMACS Year of publication 2010 2014 2016 2016 2017 2018 Development dataset REACH registry Dutch ASA registry DAPT randomized trial PARIS registry Pooled analysis of 8 randomized trials BleedMACS registry Development dataset, n 56,616 235,531 11,648 4,190 14,963 15,401 Patient population Risk of atherothrombosis† New low-dose aspirin users Stable and event-free pts 12 mos post-PCI Stable & unstable pts undergoing PCI Stable and unstable patients undergoing PCI ACS patients undergoing PCI Bleeding outcome Serious bleeding at 2 years Upper GI bleeding at a median follow- up of 530 days Major bleeding between 12 and 30 months after PCI Major bleeding at 2 years Out-of-hospital bleeding at a median follow-up of 552 days Serious spontaneous bleeding at 1 year Bleeding definition used Protocol-defined‡ First episode of upper GI bleeding GUSTO moderate or severe(144) BARC 3 or 5(13) TIMI major or minor(145,146) Protocol-defined Proportion of HBR pts 25% (score >11) 83.1% (score >1) 23.4% (score -2 to 0) 8% (score >8) 25% (score ≥25) 25% (score >26) Rate of bleeding in the HBR subgroup 2.76% (at 2 years) 1% to 35% for scores from 2 to 13 2.7% (between 13 and 30 months) 10.7% (at 2 years) 1.8-4.2% (at 1 year) 8.03% (at 1 year) Also evaluates thrombotic risk No No Yes Yes No No Score range 0 to 23 0 to 15
0 to 14 0 to 100 0 to 80 Development discrimination AUC 0.68 AUC 0.64 AUC 0.68 AUC 0.72 AUC 0.73 AUC 0.71 (0.72 in internal validation) Validating dataset CHARISMA Dutch health insurance database PROTECT ADAPT-DES PLATO and Bern PCI registry SWEDEHEART Validating dataset, n 15,603 32,613 8,136 8,130 8,595 and 6,172 96,239 (ACS+PCI) Validation AUC 0.64 AUC 0.63 AUC 0.64 (bleeding) AUC 0.64 AUC 0.70 and 0.66 AUC 0.65