Utility and correlation of known anticoagulation parameters in the management of pediatric ventricular assist devices

Table 3 Correlation matrix between tests

	aPTTcorrelationcoefficient	P	Anti-Xacorrelationcoefficient	P	R-TEGcorrelationcoefficient	P
aPTT	1		0.71	< 0.001	0.65	< 0.001
Anti Xa	0.71	< 0.001	1		0.54	< 0.001
R-TEG	0.65	< 0.001	0.54	< 0.001	1

Spearman correlation analyses were used to determine the degree of correlation between aPTT, anti-Xa and R values (R-TEG). aPTT: Activated thromboplastin time; TEG: Thromboelastogram.