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Fig. 3 | BMC Pulmonary Medicine

Fig. 3

From: Global lung function initiative 2012 reference values for spirometry in Asian Americans

Fig. 3

Distributions of z-scores of FEV1, FVC, and FEV1/FVC based on GLI-2012 equations for North East Asians, South East Asians, and individuals of mixed ethnic origin. Panels A and B showed z-score distributions based on GLI-2012 equations for North East Asians in women and men, respectively; panels C and D showed z-score distributions based on GLI-2012 equations for South East Asians in women and men, respectively; and panels E and F showed z-score distributions based on GLI-2012 equations for individuals of mixed ethnic origin in women and men, respectively. In this graph, red dot denotes 5th and 95th percentiles of observed spirometry data; blue diamond denotes median of observed values; solid line represents a z-score of zero; and dotted line represents z-scores of ±1.96. FEV 1 : forced expiratory volume in 1 s; FVC: forced vital capacity; GLI: Global Lung Function Initiative

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