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Comparative Study
. 1989;56(1-2):103-9.
doi: 10.1159/000195784.

Comparison of the performance of two mini peak flow meters

R Pistelli  1 , L Fuso, R Muzzolon, G Bevignani, F Patalano, G Ciappi
Affiliations
Comparative Study

Comparison of the performance of two mini peak flow meters

R Pistelli et al. Respiration. 1989.

Abstract

Two mini peak flow meters commonly used to monitorize the peak expiratory flow rate (PEFR) are compared to assess their agreement, precision and, with respect to a standard pneumotachygraph, accuracy. Precision of the mini-Wright peak flow meter is greater, possibly as result of a systematic overestimation of PEFR values. The Assess peak-flow meter is more accurate, but its ability to reproduce the actual well-known PEFR variability is dependent from the absolute level of air flow. The agreement between two instruments is very poor, both in asthmatics and in normals, so that it is mandatory to use always the same mini peak flow meter in population studies and during the follow-up of asthmatic patients.

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