Reliability of International Normalized Ratio Results in the CoaguChek Pro II System in a Clinical Setting

Autor: Evelyn Cortina-de-la-Rosa BSc, Raúl Izaguirre-Ávila MD, Alejandro Ramírez-Hernández BSc, María-Oliva Romero-Arroyo MSc, Karen Cortés-Cortés BSc
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Clinical and Applied Thrombosis/Hemostasis, Vol 29 (2023)
Druh dokumentu: article
ISSN: 1938-2723
10760296
54989949
DOI: 10.1177/10760296231216451
Popis: The National Institute of Cardiology has previously used the CoaguChek ® XS Plus system (Roche Diagnostics International Ltd), comparing capillary blood prothrombin time/international normalized ratio (PT/INR) results with those obtained using BCS-XP/Thromborel (Siemens). We assessed the reliability of PT/INR results using the third-generation CoaguChek Pro II system, the CoaguChek XS Plus system, and cobas ® t 411 for citrated plasma analysis. Venous and capillary PT/INR were measured (N = 204). Spearman's correlation, Bland-Altman, and concordance analysis between methods were conducted. Spearman's correlation coefficients between venous/capillary INR were high for CoaguChek Pro II versus CoaguChek XS Plus ( r = 0.994), CoaguChek Pro II versus cobas t 411 ( r = 0.967), and CoaguChek XS Plus versus cobas t 411 ( r = 0.968). Good concordance was observed among capillary methods (concordance coefficient [κ] = 0.888) and remaining relationships ( P
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