. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: J Cardiothorac Vasc Anesth. 2018 Aug 31;33(4):976–984. doi: 10.1053/j.jvca.2018.08.201

Table 3.

Statistical Analysis of Arterial Versus Venous Performance in the Quantra

Quantra Parameter	Venous (mean)	Arterial (mean)	p Value	Slope (95% CI)^†	Y-Intercept (95% CI)^†
CT	126.5 s	140.0 s	< 0.001^*	1.11 (0.89–1.34)	−29.44 (−61.22 to 2.34)
CTH	129.9 s	142.7 s	< 0.001^*	0.86 (0.63–1.08)	7.46 (−25.13 to 40.05)
CS	22.04 hPa	22.03 hPa	0.96	0.98 (0.93–1.03)	0.43 (−0.75 to 1.60)
FCS	3.44 hPa	3.4 hPa	0.53	1.04 (0.99–1.09)	−0.11 (−0.32 to 0.10)
PCS	19.03 hPa	18.95 hPa	0.76	0.96 (0.90–1.02)	0.82 (−0.44 to 2.08)
CTR	1.05	1.05	0.74	0.87 (0.77–0.97)	0.14 (0.03–0.24)

Abbreviations: CS, Clot Stiffness; CT, Clot Time; CTH, Heparinase Clot Time; CTR, Clot Time Ratio; FCS, Fibrinogen Contribution to clot stiffness; PCS,Platelet Contribution to clot stiffness.

Statistically significant.

^†

Linear regression with venous as the y-variable and arterial as the x-variable.