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Periodic spirometry in occupational setting: improving quality, accuracy, and precision.

Authors
Hnizdo-E; Hakobyan-A; Fleming-JL; Beeckman-Wagner-LA
Source
J Occup Environ Med 2011 Oct; 53(10):1205-1209
NIOSHTIC No.
20039685
Abstract
OBJECTIVE: Effectiveness of periodic spirometry in medical monitoring depends on spirometry quality. We describe an intervention on spirometry quality and its impact on accuracy and precision of longitudinal measurements. METHODS: The intervention was conducted from 2005 to 2010 in a monitoring program involving approximately 2500 firefighters. Intervention supported adherence to 2005 American Thoracic Society/European Respiratory Society recommendations through monitoring of spirometry quality and longitudinal data precision, technician training, change of spirometer, and quality control. RESULTS: The percentage of forced vital capacity tests meeting the American Thoracic Society/European Respiratory Society criteria increased from 60 percent to 95 percent and the mean longitudinal forced expiratory volume in 1 second within-person variation decreased from 6 percent to 4 percent. The increased accuracy and precision of measurements and estimated rates of forced expiratory volume in 1 second decline were statistically significant. CONCLUSION: Monitoring of quality and data precision helped to recognize the need for intervention. The intervention improved accuracy and precision of spirometry measurements and their usefulness.
Keywords
Diagnostic-techniques; Diagnostic-tests; Pulmonary-function; Pulmonary-function-tests; Spirometry; Equipment-reliability; Medical-monitoring; Medical-screening; Quality-control; Quality-standards; Measurement-equipment; Fire-fighters; Breathing; Lung-function; Surveillance
Contact
Eva Hnizdo, PhD, Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, 1095 Willowdale Rd, Morgantown, WV 26505
CODEN
JOEMFM
Publication Date
20111001
Document Type
Journal Article
Email Address
ehnizdo@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B10122011
Issue of Publication
10
ISSN
1076-2752
NIOSH Division
DRDS
Source Name
Journal of Occupational and Environmental Medicine
State
WV; AZ
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