Table 4.

Factors independently associated with bleeding in non-post-surgical VA ECMO (N = 75) (adjusted for ECMO indication and severity)

Variables	Adjusted odds ratio	95 % confidence interval	P
Previous-day aPTT a
≥46 and ≤55 s	2.03	0.68–6.10	0.30
≥56 and ≤69 s	1.32	0.41–4.27	0.47
≥70 s	3.24	1.11–9.44	0.03
Previous-day anticoagulation	0.21	0.06–0.52	<0.01
Daily lowest corporeal temperature	1.79	1.20–2.66	<0.01
APACHE III score	1.03	1.01–1.04	<0.01

aPTT activated partial thromboplastin time, APACHE III score Acute Physiology and Chronic Health Evaluation III score

^aaPTT < 46 s is the reference