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Table 2 Diagnostic efficiency of three questionnaires for predicting OSA

From: Effect of arterial blood bicarbonate (HCO3) concentration on the accuracy of STOP-Bang questionnaire screening for obstructive sleep apnea

Parameters Sensitivity (%) Specificity (%) PPV (%) NPV (%)
SBQ 97.5 25.0 86.7 66.7
ESS 81.7 37.5 86.7 29.0
Berlin 79.2 37.5 86.4 26.5
  1. SBQ = STOP-Bang questionnaire, ESS = Epworth Sleepiness Scale, PPV = positive predictive value, NPV = negative predictive value