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Table 6 Patient withdrawals from study

From: Low dose compared to variable dose Warfarin and to Fondaparinux as prophylaxis for thromboembolism after elective hip or knee replacement surgery; a randomized, prospective study

  Arm A Arm B Arm C
Patients withdrawn from study before starting study drug 1 3 5
Patients withdrawn from study after starting study drug 0 3 1
Patients withdrawn before starting study drug; completed ultrasound 1 7 2
Patients withdrawn after starting study drug; completed ultrasound 1 4 2