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- W2095211978 abstract "The volume measurement module turbine (VMM) was evaluated in 51 subjects for spirometry in applied physiology against the Stead-Wells spirometer (SW) and Wright peak flow meter (WM). The volume and flow ranges (VMM) were, FEV 1 1.32 to 3.94 L (mean 2.62, confidence interval [CI] 2.46 to 2.78); forced vital capacity (FVC) 1.97 to 5.06 L (mean 3.50, CI 3.29 to 3.71); and peak expiratory flow rate (PEFR) 290 to 624 L∙min −1 (mean 434, CI 407 to 461). The mean difference for FEV 1 was 0.09 L (CI 0.05 to 0.14), FVC 0.04 L (CI −0.02 to 0.10), and PEFR 18.0 L min −1 (CI 8.7 to 27.3) less than SW or WM. Bias with FEV 1 and FVC was not significant, though PEFR demonstrated a significant proportional error. The repeatability coefficients for FEV 1 and FVC were 0.18 and 0.20, comparable to the SW; but for PEFR they were greater, 58.4 versus 33.8 L∙min −1 by WM. The VMM turbine is accurate and reliable for the measurement of FEV 1 and FVC over the ranges studied; however, care should be taken when interpreting PEFR. Key words: lung volumes, FEV 1 FVC" @default.
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- W2095211978 date "1993-09-01" @default.
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- W2095211978 title "Evaluation of the VMM Turbine for Spirometry in the Applied Physiology Laboratory" @default.
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- W2095211978 doi "https://doi.org/10.1139/h93-027" @default.
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