Warfarin (n = 101) Rivaroxaban (n = 26) Apixaban (n = 5)
No. of patients (%) 101 (76.5) 26 (19.7) 5 (3.8)
No. of diagnoses 113* 26 5
Diagnosis (Concept ID)
Atrial flutter (%) (314665)
1 (1.0)
0 (0)
0 (0)
Atrial fibrillation (%) (313217)
13 (12.9)
2 (7.7)
0 (0)
Atrial arrhythmia (%) (4068155)
94 (93.1)
23 (88.5)
5 (100)
Atrial fibrillation and Flutter (%) (4108832)
5 (5.0)
1 (3.8)
0 (0)
Duration of anticoagulant used before occurrence of bleed, mean (s.d.) 211 (197) 232 (71) N.A.§
Duration of anticoagulant used before occurrence of thromboembolic event, mean (s.d.)
152 (155)
151 (151)
152 (0)