ATRIA Bleeding Risk ScoreLoading...AnemiaNo0Yes+3Severe renal disease (GFR < 30 mL/min or dialysis-dependent)No0Yes+3Age ≥ 75 yearsNo0Yes+2Any prior hemorrhage diagnosis (ex: GI bleed, intracranial hemorrhage)No0Yes+1Hypertension historyNo0Yes+1使用適応洞察と注意事項