Articles with "difference ratio" as a keyword



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MOVER confidence intervals for a difference or ratio effect parameter under stratified sampling.

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Published in 2021 at "Statistics in medicine"

DOI: 10.1002/sim.9230

Abstract: Stratification is commonly employed in clinical trials to reduce the chance covariate imbalances and increase the precision of the treatment effect estimate. We propose a general framework for constructing the confidence interval (CI) for a… read more here.

Keywords: difference; mover; effect; difference ratio ... See more keywords
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US Contrast Agent Arrival Time Difference Ratio for Benign versus Malignant Subpleural Pulmonary Lesions.

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Published in 2021 at "Radiology"

DOI: 10.1148/radiol.2021204642

Abstract: Background US has proven valuable in the diagnosis of subpleural pulmonary lesions (SPLs); however, existing US indicators have limitations. Purpose To propose and validate a revised contrast-enhanced (CE) US indicator for differential diagnosis of benign… read more here.

Keywords: difference; time difference; arrival time; difference ratio ... See more keywords