TABLE 5

Clinical outcome after discontinuing anticoagulant therapy (patients not receiving anticoagulation are also included)

MetastasesNo metastasesHazard ratio (95% CI) or p-value
nEvents per 100 patient-years (95% CI)nEvents per 100 patient-years (95% CI)
Patients n13693
Duration of therapy days mean±sd242±310303±395
Duration days median (interquartile range)134 (47–302)155 (45–463)
Duration n (%)
 <3 months49 (36)37 (40)0.581
 3–6 months32 (24)12 (13)0.060
 >6 months55 (40)44 (47)0.342
Symptomatic pulmonary embolism1213.3 (7.21–22.6)22.60 (0.44–8.57)5.13 (1.30–33.8)
Recurrent deep vein thrombosis99.97 (4.86–18.3)33.89 (0.99–10.6)2.56 (0.72–11.7)
Major bleeding33.34 (0.85–9.10)22.60 (0.44–8.59)1.29 (0.19–10.8)
Sites of major bleeding
 Gastrointestinal33.34 (0.85–9.10)11.30 (0.07–6.41)2.57 (0.27–67.7)
 Retroperitoneal011.30 (0.06–6.40)
Non-major bleeding22.22 (0.37–7.35)22.60 (0.44–8.58)0.86 (0.09–8.22)
Death6875.3 (58.9–94.9)1620.8 (12.3–33.0)3.63 (2.14–6.44)
Causes of death
 Disseminated malignancy5358.7 (44.4–76.2)911.7 (5.70–21.4)5.03 (2.57–10.8)
 Infection22.22 (0.37–7.32)11.30 (0.06–6.40)1.71 (0.13–50.3)
 Respiratory insufficiency33.32 (0.85–9.04)0
 Ischaemic stroke11.11 (0.06–5.46)11.30 (0.06–6.40)0.85 (0.02–33.3)
 Liver insufficiency11.11 (0.06–5.46)11.30 (0.06–6.40)0.85 (0.02–33.3)
 Pulmonary embolism11.11 (0.06–5.46)0
 Bleeding011.30 (0.06–6.40)
 Multi-organ failure011.30 (0.06–6.40)
 Unknown33.32 (0.85–9.04)22.60 (0.44–8.57)1.28 (0.19–10.8)