Spirometry Reference Equations Including Existing and Novel Parameters.

ABSTRACT:

Introduction

Spirometry is an essential component of pulmonary function testing, with interpretation dependent upon comparing results to normal. Reference equations for mean and lower limit of normal (LLN) are available for usual parameters, including forced vital capacity (FVC), forced expiratory volume in the first second of an FVC maneuver (FEV1), and FEV1/FVC. However, standard parameters do not fully characterize the flow-volume loop and equations are unavailable for the upper limit of normal (ULN). The aim of this study was to develop reference equations for existing and novel spirometry parameters, which more fully describe the flow-volume loop, and to compare these to previously reported equations.

Methods

Data from healthy participants in NHANES III was used to deri

SUBMITTER: Johnson DC 

PROVIDER: S-EPMC10351349 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature