Table 1. Common Obstructive Sleep Apnea Screening Tools.

Tool	Description	Intended Use	Scoring
Epworth Sleepiness Scale	Assesses likelihood of falling asleep in 8 scenarios.	Objective assessment of sleepiness (not specific for OSA).	Score ≥10 indicates excessive sleepiness.
STOP-BANG Questionnaire	8 items that address snoring, fatigue, apneas, hypertension, BMI, age, neck circumference, and sex.	Pre-operative screening for OSA.	Score of ≥3 suggests high risk of OSA.
Berlin Questionnaire	3 categories: (1) snoring/apnea (2) somnolence (3) presence of hypertension/obesity	Screening for OSA in the primary care setting.	One or more point in ≥2 categories suggests high risk of OSA.

Abbreviations: OSA = obstructive sleep apnea, BMI = body mass index