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The authors' response: We agree that the role of biomarkers as a complementary tool to available risk scores in ACS risk stratification is becoming increasingly relevant. Although the addition of BNP to the GRACE score only resulted in a small increase in the C-statistics in our study, it must be emphasised that this (C-statistic) may be an …
Footnotes
Funding British Heart Foundation, Greater London House, 180 Hampstead Road, London NW1 7AW, UK.
Competing interests None.
Ethics approval This study was conducted with the approval of the Tayside Committee for Medical Ethics, Ninewells Hospital and Medical School, Dundee DD1 9SY, UK.
Patient consent Obtained.
Provenance and peer review Not commissioned; not externally peer reviewed.