=16 yrs. Multiple regression analysis, with age and height as predictors, was carried out to estimate prediction equations for mean FEV1, FVC and FEV1/FVC, separately for males and females. A method based on smoothing multiple estimates of the fifth percentiles of residuals was used to derive prediction equations for the lower limit of normal lung function. The new equations fit the current English adult population considerably better than the European Coal and Steel Community equations, and the proportions of people with "low" (below the fifth percentile) lung function are closer to those expected throughout the whole adult age range (16 to >75 yrs). For the age ranges the studies share in common, the new equations give estimates close to those derived from other nonlinear equations in recent studies. It is, therefore, suggested that these newly developed prediction equations be used for the White English population in both epidemiological studies and clinical practice.">

Prediction equations for normal and low lung function from the Health Survey for England

Falaschetti E., Laiho J., Primatesta P., Purdon S.

Source: Eur Respir J 2004; 23: 456-463
Journal Issue: March
Disease area: Airway diseases

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Falaschetti E., Laiho J., Primatesta P., Purdon S.. Prediction equations for normal and low lung function from the Health Survey for England. Eur Respir J 2004; 23: 456-463

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