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. Author manuscript; available in PMC: 2019 Mar 7.
Published in final edited form as: Period Biol. 2012 Sep;114(3):369–375.

Table 3.

Berlin Questionnaire Sleep apnea risk stratification.

Check if present
Loud Habitual Snoring (at least
3 times per week)
Daytime Sleepiness (ESS ≥ 10)
(at least 3 times per week)
Hypertension
Obesity (BMI >30 kg/m2)

Presence of two out of the four above factors predicts OSA with a sensitivity of 86%, specificity of 77%, and positive predictive value of 89%.