Fig. 2From: The diagnostic accuracy of spirometry as screening tool for adult patients with a benign subglottic stenosisROC-curve Expiratory Disproportion Index (EDI)ROC-curve for EDI results. Area under the curve (AUC) = 0.92 (95% CI = 0.86–0.98), implying a good to excellent accuracy of the EDI at discriminating SGS and asthma patientsBack to article page