Screens for obstructive sleep apnea (OSA) risk using the 8-item STOP-BANG questionnaire: Snoring, Tired, Observed apneas, Pressure (hypertension), BMI >35, Age >50, Neck >40 cm, Gender (male). Score 0–2: low risk; 3–4: intermediate risk; ≥5: high risk for moderate-to-severe OSA.
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