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Table 3 Dosage guide for tinzaparin

From: CATCH: a randomised clinical trial comparing long-term tinzaparin versus warfarin for treatment of acute venous thromboembolism in cancer patients

175 IU/kg body weight subcutaneously once daily
Syringe size Body weight (kg) rounded up or down to nearest kg Units Volume to expel from syringe prior to injection (mL) Injection volume (mL)
10,000 IU in 0.5 mL <34 6,000 0.20 0.30
35–41 7,000 0.15 0.35
42–46 8,000 0.10 0.40
47–51 9,000 0.05 0.45
52–57 10,000 None 0.50
14,000 IU in 0.7 mL 58–63 11,000 0.15 0.55
64–67 12,000 0.10 0.60
68–72 13,000 0.05 0.65
73–77 14,000 None 0.70
18,000 IU in 0.9 mL 78–83 15,000 0.15 0.75
84–88 16,000 0.10 0.80
89–93 17,000 0.05 0.85
94–103 18,000 None 0.90
2 × 10,000 IU in 0.5 mL 104–124 20,000 None 2 × 0.5
1 × 10,000 IU in 0.5 mL and 1 × 14,000 IU in 0.7 mL 125–145 24,000 None 1 × 0.5 and 1 × 0.7
2 × 14,000 IU in 0.7 mL 146–165 28,000 None 2 × 0.7
1 × 14,000 IU in 0.7 mL and 1 × 18,000 IU in 0.9 mL 166–183 32,000 None 1 × 0.7 and 1 × 0.9