Population
Individuals >45 years of age from the general population, randomly selected from 7 local community practices.
Design
Cross-sectional
Authors
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Defines assay-specific 99th percentiles for cTnI-Ultra; leaves open validation for diagnostic thresholds in clinical cohorts.
This study aimed to determine the 99th-percentile reference value and assay imprecision for the Siemens cTnI-Ultra assay in a well-characterized general population.
Collinson et al. (2009) studied this question.
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