rspiro

CRANrspiroMaRDI QIDQ139341

Implementation of Spirometry Equations

Theodore Lytras

Last update: 7 August 2023

Copyright license: GNU General Public License, version 3.0, GNU General Public License, version 2.0

Software version identifier: 0.2, 0.4

Description

Implementation of various spirometry equations in R, currently the GLI-2012 (Global Lung Initiative; Quanjer et al. 2012 <doi:10.1183/09031936.00080312>), the race-neutral GLI global 2022 (Global Lung Initiative; Bowerman et al. 2023 <doi:10.1164/rccm.202205-0963OC>) and the NHANES3 (National Health and Nutrition Examination Survey; Hankinson et al. 1999 <doi:10.1164/ajrccm.159.1.9712108>) equations. Contains user-friendly functions to calculate predicted and LLN (Lower Limit of Normal) values for different spirometric parameters such as FEV1 (Forced Expiratory Volume in 1 second), FVC (Forced Vital Capacity), etc, and to convert absolute spirometry measurements to percent (%) predicted and z-scores.

Cites work

• Multi-ethnic reference values for spirometry for the 3–95-yr age range: the global lung function 2012 equations
• Spirometric Reference Values from a Sample of the General U.S. Population
• A Race-neutral Approach to the Interpretation of Lung Function Measurements

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