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Refction about arbitrary line in graphcs3/13/2023 ![]() ![]() At a specificity of 80%, R 0(SD) yielded 66% sensitivity, whereas Rint(SD) yielded only 33% sensitivity. In children able to perform forced expiratory maneuvers (n = 93), the best discrimination between those with baseline FEV 1 < 80% or ⩾ 80% of predicted values was obtained with R 0(SD). Baseline parameters were normalized for height and weight. Rint was significantly lower than R 0, especially in children with high baseline values. FOT (R 0 and R 16) and interruption (Rint) parameters were measured at baseline and after bronchodilator inhalation (n = 94). ![]() We compared the sensitivity and specificity of these methods for detecting airway obstruction and its reversibility in 118 children (3–16 yr) with asthma or chronic nocturnal cough. The forced oscillation technique (FOT) and interrupter technique are particularly attractive for pediatric use as they require only passive cooperation from the patient.
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