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Fig. 7 | Thrombosis Journal

Fig. 7

From: Monitoring heparin therapy: stability of two different anti-Xa assays using blood samples collected in citrate-containing and CTAD tubes

Fig. 7

Stability of CTAD whole blood samples from patients treated by LMWH. Anti-factor Xa activity scatter plots (A and C) and Bland–Altman plots (B and D) obtained with the Siemens and Stago analyser/reagent pairs, respectively. Results are plotted as the difference (y axis) in anti-factor Xa activity between the analysis after 6 h (T6WB), 4 h (T4WB) and 1 h (T1WB) of storage at room temperature. *P < 0.05, **P < 0.01, ***P < 0.001, NS: Not significant (ANOVA or non-parametric Friedman test)

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