Impact of intra-operative cell salvage on blood coagulation in high-bleeding-risk patients undergoing cardiac surgery with cardiopulmonary bypass: a prospective randomized and controlled trial

Table 4 Relationship of CS with impairment of blood coagulation and adverse events

Variable	RR	95 % CI	P value
Heparin residual	6.10	1.14–32.60	0.034
Coagulopathy for low PLT	0.61	0.14–2.61	0.509
Coagulopathy for low FIB	1.35	0.40–4.48	0.629
Coagulopathy for low clotting factors	0.56	0.09–3.30	0.521
Excessive bleeding	4.58	1.02–18.34	0.049
Myocardial infarction	0.15	0.01–1.99	0.150
Cognitive decline	<0.001	<0.001–999.99	0.938

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