Influence of Ultrasound System and Gain on Grayscale Median Values: Influence of Ultrasound System and Gain on Grayscale Median Values

Catherine N. Steffel,Roger Brown,Claudia E. Korcarz,Tomy Varghese,James H. Stein,Stephanie M. Wilbrand,Robert J. Dempsey,Carol Mitchell

Influence of Ultrasound System and Gain on Grayscale Median Values: Influence of Ultrasound System and Gain on Grayscale Median Values

2019

Catherine N. Steffel
Roger Brown
Claudia E. Korcarz
Tomy Varghese
James H. Stein
Stephanie M. Wilbrand
Robert J. Dempsey
Carol Mitchell

Objectives The purpose of this study was to determine the reliability of Grayscale Median (GSM) measurements across different ultrasound systems and effects of gain on GSM values.

Keywords:

Radiology
Medicine
Ultrasound
Grayscale
Repeated measures design
Concordance correlation coefficient
Intraclass correlation
GSM
Statistics
Imaging phantom
Normalization (statistics)
Confidence interval

Correction
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