STOP-BANG Questionnaire

Obstructive sleep apnea screening score.

OSA Screening Tool

STOP-BANG Questionnaire

A simple screening questionnaire for estimating the risk of obstructive sleep apnea.

Score 0 / 8

Clinical note: STOP-BANG is a screening tool only. It does not diagnose obstructive sleep apnea and does not screen for central sleep apnea. A definitive diagnosis requires appropriate sleep testing.

STOP questions

Subjective symptoms and history

Snoring

Do you snore loudly, louder than talking or loud enough to be heard through closed doors?

Yes No

Tiredness

Do you often feel tired, fatigued, or sleepy during the daytime?

Yes No

Observed apnea

Has anyone observed you stop breathing, choking, or gasping during sleep?

Yes No

Blood pressure

Do you have, or are you being treated for, high blood pressure?

Yes No

BANG measures

Objective risk factors

B — Height B — Weight A — Age N — Neck circumference

G — Sex

Male Female

BMI > 35 kg/m²: not calculated

Age > 50 years: not calculated

Neck circumference > 40 cm: not calculated

Male sex: not selected

Result

Complete all fields

The STOP-BANG score and risk category will appear here.

Calculated BMI —

STOP subtotal —

BANG subtotal —

Interpretation guide

0–2 points: Low risk of obstructive sleep apnea.
3–4 points: Intermediate risk of obstructive sleep apnea.
5–8 points: High risk of obstructive sleep apnea.
Additional high-risk pattern: at least 2 positive STOP questions plus male sex, BMI > 35 kg/m², or neck circumference > 40 cm.

Note: MedicalC is NOT medical software and does NOT issue diagnoses or treatment recommendations. The calculators are for educational and informational purposes, use published medical formulas, and are not a substitute for medical consultation. Results should be interpreted by professionals.Read the full disclaimer.