Epistemis

STOP-BANG Questionnaire for Obstructive Sleep Apnea

Eight yes or no questions that screen for sleep apnea before surgery or resistant hypertension. With 5 or more your probability of moderate or severe apnea is high and the anesthetic plan changes.

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
Loud snoring, heard behind a closed door
Tiredness or daytime sleepiness almost every day
Apneas, choking or choking observed during sleep
High blood pressure (diagnosed or under treatment)
Body mass index greater than 35 kg/m²
Age over 50 years
Cervical perimeter greater than 40 cm
Male sex

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Pneumology and Respiratory
Area
Internal Medicine
Variables
8
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