Table 1.
Patient characteristics in all patients.
Fig 1.
Impulse oscillometry parameters in control and BO groups.
For better visualization, the Y-axis values have been rescaled for each unit of the IOS parameter.
Fig 2.
Linear regression plot between PFTs and log-transformed IOS parameters; A-C) Correlation with FEV1; (A) R5-20 cmH2O/L/s (B) R5% (C) AX %, D-F) correlation with Raw %; (D) R5-20 cmH2O/L/s (E) R5% (F) AX %.
Fig 3.
Relative importance as predictors of IOS variables for PFT parameters; A) FEV1 B) FEF25-75% C) Raw% (D) sRaw%.
Table 2.
General linear regression analysis of airway resistance and reactance parameters between IOS, spirometry, and plethysmographic resistance.
Table 3.
Multivariate logistic regression for PFT parameters with IOS.
Table 4.
Cut off, sensitivity, specificity, and their area under the curve with 95% CI of IOS and plethysmographic parameters for the diagnosis of BO.