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Exact(33)
To carry out this study, the authors used a matched case-control design and control subjects were matched with cases on a one-to-one basis for many factors including ED diagnosis, hemoglobin value, age, and gender, such that individual matching for all factors was assured.
All controls were randomly selected and matched with cases for sex and age (±5 years) in a 1∶1 ratio.
Controls were men with SF>100 µg/L and women with SF>50 µg/L, as for GWAS participants, and they were frequency matched with cases by sex to achieve two controls for every case.
Controls were frequency matched with cases on sex and ethnicity.
Controls were matched with cases by age, birth year, and gender.
Controls were frequency matched with cases by gender and age (±5 years).
Similar(27)
To help tenants navigate options, they will be matched with case managers, Mr. Banks said.
Finally, when utilising a floor-embedded PCM material, it was found that the thermal properties of the PCM material must be carefully matched with case-specific building fabric thermal performance parameters in order to ensure effective internal environmental control.
Some hospitals could not find appropriate control samples well matched with case samples.
Control subjects were matched with case patients according to sex and age (within 10-year categories).
Controls were matched with case-patients by sex since this was considered a likely confounder for many behavioral risk factors.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com