Spirometry z-scores (Ped(z)-style, GLI-2012) is a pulmonary function tool commonly applied in Pulmonology. Z-scores, % predicted, and LLN for FEV1, FVC, and FEV1/FVC from sex, height, DOB, reference date, ethnicity, and measured values (Quanjer GLI-2012 via vendored Automate-Medical gli2012). Optional FEF and FEV0.75 fields shown without z when not in bundled module. Same role as Ped(z) spirometry; not affiliated with pe… 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.