Risk factors for VTE
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1. Older age
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1. TKA (vs. THA)
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2. Female sex
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2. Older age
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3. Higher BMI
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3. Female sex
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4. Bilateral surgery
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4. Higher BMI
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5. VTE history
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5. Bilateral surgery
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6. Surgery time > 2 hours
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6. Cemented fixation
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7. Surgery time > 2 hours
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Protective factors for VTE
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1. Chemoprophylaxis for VTE*
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1. Chemoprophylaxis for VTE*
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2. Enoxaparin (vs. other LMWH)
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2. Enoxaparin (vs. other LMWH)
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3. Direct F-Xa inhibitor (vs. LMWH)
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3. Direct F-Xa inhibitor (vs. LMWH)
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4. Earlier mobilization
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Controversial factors for VTE
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1. Diabetes mellitus
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1. Diabetes mellitus
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2. Malignancy
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2. Malignancy
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3. General anesthesia
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3. General anesthesia
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4. ASA score
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4. VTE history
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5. Varicose vein
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6. Hypertension
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7. Hormone replacement
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