Predicting obstructive sleep apnea using the STOP-Bang questionnaire in the general population

A total of 28.1% of subjects had an apnea-hypopnea index (AHI) of ≥15 events per hour.

• The STOP-Bang questionnaire identified 36.8% of participants as high risk for obstructive sleep apnea.
• The sensitivity for detecting moderate-to-severe OSA (AHI ≥15) was 66.2%, while it was 69.2% for severe OSA (AHI ≥30).
• Specificities were 74.7% for AHI ≥15 and 67.1% for AHI ≥30.
• Negative predictive values were high, at 85% for moderate-to-severe OSA and 94.8% for severe OSA.
• Using lower BMI cutoffs for Asians did not significantly enhance the performance of the questionnaire.

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