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  Indian J Med Microbiol
 

Figure 1: The receiver operating characteristic curves of impedance parameters to identify airflow obstruction (forced expiratory volume in 1 s/forced vital capacity = 0.70). Black solid line: Percentage predicted R5; Blue line: Percentage predicted X5; Green line: Percentage predicted R5-19: Red line: Percentage predicted R19

Figure 1: The receiver operating characteristic curves of impedance parameters to identify airflow obstruction (forced expiratory volume in 1 s/forced vital capacity = 0.70). Black solid line: Percentage predicted R5; Blue line: Percentage predicted X5; Green line: Percentage predicted R<sub>5-19</sub>: Red line: Percentage predicted R19