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Items for "reference change value"

Power function of the reference change value in relation to cut-off points, reference intervals and index of individuality

The reference change value, defined as RCV=1.96×2 1/2×(s I 2+s A 2) 1/2, where s I is within-subject biological variation and s A is analytical variation, has been used for many years to take clinical decisions in patient monitoring...

Keywords: between-subject biological variation, cut-off, index of individuality, population-based reference interval, power function, reference change value, within-subject biological variation

04/2005 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Biovariability of plasma adiponectin

Background: Adiponectin is a cytokine produced by adipose tissue with insulin sensitising and anti-atherosclerotic effects...

Keywords: adiponectin, biovariation, diurnal changes, frozen storage, post-prandial period, reference change value

10/2006 | Clinical Chemical Laboratory Medicine, Walter de Gruyter
Analytical quality goals for parathyroid hormone based on biological variation

Background: Measurement of parathyroid hormone (PTH) is central in the investigation of pathologies of bone and mineral ion metabolism...

Keywords: biological variation, laboratory quality specifications, parathyroid hormone, reference change value

10/2008 | Clinical Chemical Laboratory Medicine, Walter de Gruyter