نتایج جستجو برای: test survey
تعداد نتایج: 1153997 فیلتر نتایج به سال:
Introduction: The purpose of laboratory test quality control establishment is to ensure the daily stability of the test system. Considering the defined principles guarantees laboratory performance improvement and patients’ confidence in the results of their tests. This study was conducted to survey laboratory test quality control establishment in public and private medical laboratories in Hamed...
A set of statistical tests termed contingency tests, of which χ is the most well-known example, are commonly employed in linguistics research. Contingency tests compare discrete distributions, that is, data divided into two or more alternative categories, such as alternative linguistic choices of a speaker or different experimental conditions. These tests are highly ubiquitous, and are part of ...
BACKGROUND New age- and sex-specific lipoprotein cut points developed from National Health and Nutrition Examination Survey (NHANES) data are considered to be a more accurate classification of a high-risk lipoprotein level in adolescents compared with existing cut points established by the National Cholesterol Education Program (NCEP). The aim of this study was to determine which of the NHANES ...
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