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Package rspiro implements multiple spirometry equations:
currently the GLI-2012 (Quanjer), race-neutral GLI global (2022) and
NHANES III (Hankinson), with potentially more to be added later.
It offers user-friendly functions to calculate predicted or LLN (Lower Limit of Normal) values given demographic data, or to convert absolute spirometry values to percent (%) predicted or z-scores.
Installation
Open R, and give:
devtools::install_github("thlytras/rspiro")If you do not have the package “devtools”, first install it from CRAN with:
install.packages("devtools")Acknowledgement
This package uses the lookup tables provided by the GLI initiative, to whom I’m grateful for their work.
Disclaimer
Although every effort has been made to verify correct operation of this software, I cannot accept any liability arising from its use. The software is provided “as is”, without any express or implied warranty, and no implication of fitness for a particular use.
If you find any bugs, please open an issue or, alternatively, send me e-mail to thlytras@gmail.com
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.