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The Vitalograph - A Study of Its Role in Pulmonary Function Testing in Childhood
Abstract
A dry spirometer (Vitalographt) has been examined in relation to its mechanical reproducibility, and feasibility for use in paediatric pulmonary function testing. Measurements
at ATPS and BTPS indicate a -2'10% to + 13'47% variability in volume readings respectively. Measurements on 304 normal healthy children, aged 6 -18 years, height 120 - 174 cm were made using this dry spirometer and statistically compared with normal available water spirometric data. Except for mid-expiratory flow rates, all compare favourably.
