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Table 2 VTE risk factors & contraindications to prophylaxis

From: Educational outreach visits to improve venous thromboembolism prevention in hospitalised medical patients: a prospective before-and-after intervention study

Risk factors & contraindications Pre intervention (n = 150) Post intervention (n = 150) P Value
High-risk of VTE 126 (84) 116 (77) 0.14^
Risk factors    
    Ischaemic stroke 7 (4.7) 3 (2) 0.19^
    History of VTE 15 (10) 18 (12) 0.58^
    Active cancer 4 (2.7) 4 (2.7) 1.0^
    Decompensated heart failure 42 (28) 29 (19) 0.7^
    Acute on chronic lung disease 10 (6.7) 10 (6.7) 1.0^
    Age > 60 years and immobile 107 (71) 108 (72) 0.89^
    Acute inflammatory disease 6 (4) 1 (0.7) 0.5^
    Multiple additional risk factors 21 (14) 10 (6.7) 0.33^
Additional risk factors    
    Immobility (<60 years) 1 (0.7) 1 (0.7) 0.98^
    Familial history of VTE 1 (0.7) 0 (0) 0.31^
    Oestrogen therapy 2 (1.4) 1 (0.7) 0.55^
    Obesity 10 (6.8) 7 (4.7) 0.43^
    Thrombophilia 1 (0.7) 0 (0) 0.313^
    Active inflammation 6 (4.1) 2 (1.4) 0.09^
Contraindications 48 (32) 49 (32.7) 0.15^
    Active bleeding 5 (3.3) 5 (3.3) 1.0^
    High risk of bleeding 5 (3.3) 7 (4.7) 0.55^
    Severe hepatic disease 1 (0.7) 0 0.31^
    Heparin induced thrombocytopenia 0 (0) 0 (0)  
    Current anticoagulation 41 (27.3) 38 (25.3) 0.69^
    Other contraindication 0 (0) 2 (1.3) 0.15^
  1. Percentages may not add up to 100 due to missing data. SD Standard Deviation; ^Chi-square.