| 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 |
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