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Thieme Gruppe, Pneumologie, 04(75), p. 268-275, 2020

DOI: 10.1055/a-1234-7151

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Reference Values for Pulmonary Single-Breath Diffusing Capacity – Results of the “Study of Health in Pomerania”

Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Abstract

Abstract Objectives The assessment of pulmonary single-breath diffusing capacity is a frequently performed diagnostic procedure and considered as an important tool in medical surveillance examinations of pulmonary diseases.The aim of this study was to establish reference equations for pulmonary single-breath diffusing capacity parameters in a representative adult-population across a wide age range and to compare the normative values from this sample with previous ones. Methods Diffusing capacity measurement was carried out in 3566 participants (1811 males) of a cross-sectional, population-based survey (“Study of Health in Pomerania – SHIP”). Results Individuals with cardiopulmonary disorders and current smoking habits were excluded, resulting in 1786 healthy individuals (923 males), aged 20 – 84 years. Prediction equations for both sexes were established by quantile regression analyses, taking into consideration the influence of age, height, weight and former smoking. Conclusion The study provides a novel set of prediction equations for pulmonary single-breath diffusing capacity in an adult Caucasian population. The results are comparable to previously reported equations, underline their importance and draw attention to the need for up-to-date reference equations that adequately take into account both the subjects’ origin, age, anthropometric characteristics and the equipment used.