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What is Newcastle-Ottawa Scale for Study Quality about?

The Newcastle-Ottawa Scale (NOS) is a tool for assessing the quality of nonrandomized studies in meta-analyses. It uses a star system to judge three broad perspectives of quality - selection, comparability, and outcome for cohort and case-control studies. The scale development process involved item selection by a panel of experts, grouping items, and identifying the highest quality choices. The NOS allows for assessment of important study design elements and has been applied to evaluate studies for inclusio

Author

August Christopher

Language

EN