Fig. 3From: Maximal inspiratory and expiratory flow at moderate altitude: a study of a Latin American populationA Spearman correlation coefficient and B Bland–Altman for peak expiratory flow measured with the flowmeter (PEFm) and spirometer (PEFs) in healthy subjects. (n = 314). The short-dash line represents the mean of the PEFm and PEFs, and the long-dash lines represent the 95% limits of agreementBack to article page