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Exact(3)
In the current model specification, we choose controls that are matched for cases in terms of biological, environmental, or demographical factors.
Age and gender were collected and matched for cases and controls.
Controls (control B) were matched for cases with no previous SGNB infection/colonization this admission in order to control for the compounding treatment costs of a previous SGNB infection.
Similar(57)
Up to seven controls were matched for each case.
Four controls were matched for each case; the matching was by gender, age within 5 years, zip code, and date of the accident of the correspondent case.
The number of cases of breast cancer in the study area determined the sample size of our study and 10 controls were matched for each case.
They were born in southwest Germany and were matched for ethnicity with cases.
Up to five controls were matched for each BC case for same age as case (year of birth +/- two years) and residency (Bundesland) as matching criteria.
Up to five controls were matched for each ColC case, using the same age (year of birth +/- two years) and residency (Bundesland) as matching criteria.
We verified HLA matching for all cases included in this study.
Enrolled cases were matched for gestational age and cause of death, following, literature definition [ 9].
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com