Significance of a standard deviation limit for ARFI liver fibrosis staging in patients with chronic liver disease

Görtz, RS; Sturm, J.; Pfeifer, Lukas; Wildner, Dane; Neurath, MF; Strobel, D

doi:10.1055/s-0033-1354802

Cited by 2 publications

(4 citation statements)

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“…The importance of IQR as a quality criterion was further demonstrated in another study [108]. Others studied the importance of standard deviation (SD) as a quality criterion [102]. 10 valid SWS measurements were adopted in this study and the mean value was calculated.…”

Section: Quality Criteriamentioning

confidence: 79%

“…A few studies have used only 5 [99,100] or 6 [101] valid measurements. Another study [102] calculated the mean and standard deviation (SD) of 10 valid measurements. A high SD correlated with misclassification of fibrosis.…”

Section: How Many Measurements?mentioning

confidence: 99%

“…The median value of at least 10 measurements should be used for liver elastography by pSWE (LoE 2b, GoR B) [102] Strong consensus (18/0/0, 100 %)…”

Section: Recommendation 12mentioning

confidence: 99%

“…recent study has suggested that an IQR/M ≤ 30 % is the most important quality criterion, whereas the number of measurements seems not to affect the performance, provided that they are at least five [109]. Thus, the compliance with quality criteria may increase the diagnostic accuracy of pSWE [102,107]. Quality parameters have been described for other manufacturers as well [110].…”

Section: Quality Criteriamentioning

confidence: 99%

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