Confounder-matched cohort builder

Compare groups of microbiota models with balanced confounders (exact stratified matching). Only models with complete compare + match fields are used.

Body site

Compare by

Match on (confounders)

Restrict confounder values (optional — leave unchecked to keep all; e.g. keep only adult, or BMI 18.5–25)

BMI bracket

<18.518.5–2525–30≥30

Age category

Sex