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NIOSH Safety and Health Topic:Spirometry Monitoring Technology |
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Spirometry Monitoring Technology >
Figure 5
SPIROLA Software - From four years of follow-up the FEV1 chart shows the linear regression line (green line) and monitors the rate of FEV1 decline (right vertical axis). Begin with eight years of follow-up, the interpretation is based on the projected age at which the person may develop moderate lung function impairment. 
Page last updated:
June 4, 2008
Page last reviewed: February 20, 2008 Content Source: National Institute for Occupational Safety and Health (NIOSH) |
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