From: Arterial indications for the low molecular weight heparins
 | Heparin | LMWH |
---|---|---|
Bioavailability at low doses (%) | 30 | 90 |
Bioavailability at high doses (%) | 90 | 90 |
Elimination | Â | Â |
Low doses | Cellular uptake | Renal |
 | (saturable) | (non-saturable) |
High doses | Renal | Renal |
Half-life | Dose dependent | Dose independent |
 | (30 min–4 h) | (2–4 h) |