STOP-Bang questionnaire.

Table 2: STOP-Bang questionnaire.

1	Snoring	Do you snore loudly (louder than talking or loud enough to be heard through closed doors)?	yes	no
2	Tired	Do you often feel tired, fatigued, or sleepy during daytime?	yes	no
3	Observed	Has anyone observed you stop breathing during your sleep?	yes	no
4	Blood pressure	Do you have or are you being treated for high blood pressure?	yes	no
5	BMI	BMI more than 35 kg/m²?	yes	no
6	Age	Age over 50 yr old?	yes	no
7	Neck circumference	Neck circumference greater than 40 cm?	yes	no
8	Gender	Gender male?	yes	no

High risk of OSA: answering yes to three or more items.

Low risk of OSA: answering yes to less than three items.