Table 1

Main outcome events during follow-up (median 2.8 years) in 1638 patients with polycythemia vera

EventNo. of patients (%)
All causes of mortality 164 (10.0) 
    Fatal thrombosis 67 (4.1) 
        Cardiac disease 43 (2.6) 
        Ischemic stroke 13 (0.8) 
        Pulmonary embolism 6 (0.4) 
        Other vascular death 5 (0.3) 
    Hemorrhagic death 7 (0.4) 
    Fatal cancer 54 (3.3) 
        Acute leukemia and myelofibrosis 22 (1.3) 
        Other cancers 32 (2.0) 
    Other cause of death 36 (2.2) 
Nonfatal thrombosis 169 (10.3) 
    Arterial thrombosis 87 (5.3) 
        Myocardial infarction 14 (0.9) 
        Stroke 23 (1.4) 
        Transient ischemic attack 33 (2.0) 
        Peripheral arterial thrombosis 20 (1.2) 
    Venous thrombosis 88 (5.4) 
        Deep vein thrombosis 38 (2.3) 
        Pulmonary embolism 13 (0.8) 
        Superficial thrombophlebitis 46 (2.8) 
EventNo. of patients (%)
All causes of mortality 164 (10.0) 
    Fatal thrombosis 67 (4.1) 
        Cardiac disease 43 (2.6) 
        Ischemic stroke 13 (0.8) 
        Pulmonary embolism 6 (0.4) 
        Other vascular death 5 (0.3) 
    Hemorrhagic death 7 (0.4) 
    Fatal cancer 54 (3.3) 
        Acute leukemia and myelofibrosis 22 (1.3) 
        Other cancers 32 (2.0) 
    Other cause of death 36 (2.2) 
Nonfatal thrombosis 169 (10.3) 
    Arterial thrombosis 87 (5.3) 
        Myocardial infarction 14 (0.9) 
        Stroke 23 (1.4) 
        Transient ischemic attack 33 (2.0) 
        Peripheral arterial thrombosis 20 (1.2) 
    Venous thrombosis 88 (5.4) 
        Deep vein thrombosis 38 (2.3) 
        Pulmonary embolism 13 (0.8) 
        Superficial thrombophlebitis 46 (2.8) 

Patients with 2 or more events of different types can appear more than once in a column but only once in each row.

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