Peak expiratory flow is not a quality indicator for spirometry: peak expiratory flow variability and FEV1 are poorly correlated in an elderly population - Hegewald, Matthew J; Lefor, Michael J; Jensen, Robert L; Crapo, Robert O; Kritchevsky, Stephen B; Haggerty, Catherine L; Bauer, Douglas C; Satterfield, Suzanne; Harris, Tamara (Chest, 2007)
Keywords: Age Factors; Aged; Bronchospirometry; Female; Forced Expiratory Volume - physiology; Humans; Lung Diseases - diagnosis; Lung Diseases - physiopathology; Male; Peak Expiratory Flow Rate - physiology; Regression Analysis; Reproducibility of Results