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 Indian J Med Microbiol  
 

Table 3: Area under ROC curve of the three parameters in predicting FEV1 <50% (GOLD stage 3), their cut-off values, and corresponding sensitivities and specificities

Table 3: Area under ROC curve of the three parameters in predicting FEV1 <50% (GOLD stage 3), their cut-off values, and corresponding sensitivities and specificities