Pulmonary Function Test Interpretation per ERS/ATS 2022


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Documentation for package ‘pft’ version 1.0.1

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pft_bdr Bronchodilator response per the ERS/ATS 2022 criterion
pft_bdr_2005 Bronchodilator response per the Pellegrino 2005 standard
pft_change Conditional change score for serial PFT measurements
pft_classify Classify ATS spirometry patterns from spirometry and lung-volume measurements
pft_diffusion Compute carbon monoxide diffusion capacity or transfer factor reference values for given demographics
pft_diffusion_interpret Classify a diffusion result into a clinical pattern category
pft_dlco_hb_correct Adjust a measured DLCO / TLCO for the patient's hemoglobin
pft_example Synthetic example PFT cohort
pft_fev1q FEV1Q: ratio of FEV1 to a sex-specific survivable lower limit
pft_gold Grade COPD severity by GOLD criteria
pft_interpret Comprehensive ERS/ATS 2022 PFT interpretation in one call
pft_long Pivot a 'pft_result' to long form
pft_plot Clinical visualisation for a single PFT result
pft_prism Screen for Preserved Ratio Impaired Spirometry (PRISm)
pft_quality Grade spirometry quality per ATS/ERS 2019
pft_severity Grade severity of lung function impairment from a z-score
pft_severity_2005 Severity grading per the Pellegrino 2005 standard
pft_spirometry Compute spirometry reference values for given demographics
pft_volumes Compute lung volume reference values for given demographics
pft_volume_subpattern Classify lung-volume sub-pattern per Stanojevic 2022 Figure 10