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Table 4 ROC curve for threshold and peak flow of cough challenge

From: Detection of airway protective level of the cough reflex in acute stroke patients

 AUC95% CIp valueSig.Cut-off pointSensitivitySpecificityPPVNPV
Cough threshold0.6380.530 to 0.7360.0148S> 143.7583.0558.373.1
Cough peak flow0.7970.700 to 0.874<0.001S<= 10084.3762.7155.188.1
  1. AUC = area under curve, CI = confidence interval, NPV = negative predictive value, PPV = positive predictive value, S = significant