aPTT	activated partial thromboplastin time
CI	confidence intervals
CRP	C-reactive protein
CT	computed tomography
DVT	deep vein thrombosis
ECMO	extracorporeal membrane oxygenation
HR	heparin resistance
ITT	intention-to-treat
MODS	multiple organ dysfunction syndrome
OR	odds ratio
SAE	serious adverse events
SAR	serious adverse reactions
SCI	spinal cord injuries
UFH	unfractionated heparin
V	visit (study visits at pre-defined time points)
VTE	venous thromboembolism