Table 2.

Adverse clinical events in 188 elderly patients with AF at high risk of thromboembolism and bleeding during 2-year follow-up.

Adverse event	Case #	Incidence (%)
AF-related thromboembolism
Ischemic stroke	8	4.26
Lower extremity deep venous thrombosis	19	10.11
Other-system thrombosis	5	2.66
Arterial thrombosis
Acute myocardial infarction	22	11.70
Unstable Angina	14	7.45
Bleeding
Cerebral hemorrhage	8	4.26
Clinically relevant major bleeding	18	9.57
Non-clinically relevant major bleeding	9	4.79
Minor bleeding	36	19.15
All-cause death	54	28.72

AF, atrial fibrillation; Other-system thrombosis: mesenteric thrombosis, venous catheter-related thrombosis, etc.; Clinically relevant major bleeding: hemoglobin decreased more than 2 g/L, the need for blood transfusion or hospitalization, or bleeding in major organs, fatal bleeding, etc.; Non-clinically relevant major bleeding: chronic bleeding, hemoglobin decreased less than 2 g/L; Minor bleeding: subcutaneous hematoma, gastrointestinal bleeding (less than the standards of major bleeding), blood sputum, etc.