Reliability of FEV1/FEV6 to diagnose airflow obstruction compared with FEV1/FVC: the PLATINO longitudinal study

A 6-second spirometry test is easier than full exhalations. We compared the reliability of the ratio of the Forced expiratory volume in 1 second/Forced expiratory volume in 6 seconds (FEV1/FEV6) to the ratio of the FEV1/Forced vital capacity (FEV1/FVC) for the detection of airway obstruction. The PL...

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Veröffentlicht in:	PloS one 2013-08, Vol.8 (8), p.e67960-e67960
Hauptverfasser:	Perez-Padilla, Rogelio, Wehrmeister, Fernando C, Celli, Bartolome R, Lopez-Varela, Maria Victorina, Montes de Oca, Maria, Muiño, Adriana, Talamo, Carlos, Jardim, Jose R, Valdivia, Gonzalo, Lisboa, Carmen, Menezes, Ana Maria B
Format:	Artikel
Sprache:	eng
Schlagworte:	Air flow Airflow Airway management Asthma Biology Bronchodilators Chronic obstructive pulmonary disease Cities - statistics & numerical data Correlation analysis Epidemiology Ethics Exhalation Female Follow-Up Studies Forced Expiratory Volume Hospitals Humans Latin America - epidemiology Longitudinal Studies Male Medicine Middle Aged Polls & surveys Prevalence Pulmonary Disease, Chronic Obstructive - diagnosis Pulmonary Disease, Chronic Obstructive - epidemiology Pulmonary Disease, Chronic Obstructive - physiopathology Quality Reliability Reproducibility of Results Respiratory Function Tests - methods Respiratory tract Smoking Spirometry Surveys Values Vital Capacity
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Zusammenfassung:	A 6-second spirometry test is easier than full exhalations. We compared the reliability of the ratio of the Forced expiratory volume in 1 second/Forced expiratory volume in 6 seconds (FEV1/FEV6) to the ratio of the FEV1/Forced vital capacity (FEV1/FVC) for the detection of airway obstruction. The PLATINO population-based survey in individuals aged 40 years and over designed to estimate the prevalence of post-Bronchodilator airway obstruction repeated for the same study participants after 5-9 years in three Latin-American cities. Using the FEV1/FVC
ISSN:	1932-6203 1932-6203
DOI:	10.1371/journal.pone.0067960