Accurate assessment of precision errors: How to measure the reproducibility of bone densitometry techniques

By C. Glüer, G. Blake, Ying Lu, B. Blunt, M. Jergas, H. Genant. Osteoporosis International, 2005

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Controlled attenuation parameter (CAP): a novel VCTE™ guided ultrasonic attenuation measurement for the evaluation of hepatic steatosis: preliminary study and validation in a cohort of patients with chronic liver disease from various causes. (2010, methodology): “Reproducibility was evaluated using the standardized coefficient of variation (sCV) defined by Gluer et al. (1995): sCV%5 P 4spop 3100; (1) where spopis the standard deviation of the population evaluated as the standard deviation of the first examination value of each patient; and P is the…”
In vivo assessment of trabecular bone microarchitecture by high-resolution peripheral quantitative computed tomography. (2005, neutral): “• Bone Architecture Measured in Vivo by HR-pQCT J Clin Endocrinol Metab, December 2005, 90(12):6508–6515 6509”
A new accurate and precise 3-D segmentation method for skeletal structures in volumetric CT data (2003, methodology): “Then the average CV and its standard deviation (SD) from the nine patients were derived as a root mean square value of the nine coefficients of variation [16].”
Dual energy X-ray absorptiometry interpretation and reporting in children and adolescents: the 2007 ISCD Pediatric Official Positions. (2008, background): “The magnitude of change required to be statistically significant varies with the precision of the measurement technique (79,80,85).”