Spirometry z-scores (Ped(z)-style, GLI-2012) is a pulmonary function tool commonly applied in Pulmonology. GLI-2012 z-scores and % predicted for FEV1, FVC, FEV1/FVC from sex, height, DOB, reference date, ethnicity. Vendored Automate-Medical gli2012 (FEF/FEV0.75 not in bundle). Not affiliated with pedz.de. Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.