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Figure 1 | Respiratory Research

Figure 1

From: Reference values of Forced Expiratory Volumes and pulmonary flows in 3–6 year children: a cross-sectional study

Figure 1

Sensitivity and specificity (and CI95%) versus symptoms in children of reduced function parameters. ROC = Receiver Operating Characteristic. aFVC = forced vital capacity; bFEV1= forced expiratory volume in one second; cFEV0.75 = forced expiratory volume in 3/4 of a second; dFEV0.5 = forced expiratory volume in half a second; eMEF75 = instantaneous expiratory flow when 25% of FVC has to be expired. fMEF50 = instantaneous expiratory flow when 50% of FVC has to be expired. gMEF25 = instantaneous expiratory flow when 75% of FVC has to be expired

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