Enter values below to calculate score

Range Description Category
<3 Low risk for OSA, routine pre-op recommendations low risk
<7 High risk for OSA, consider appropriate and clinically relevant peri-operative precautions and interventions high risk
<9 Very high risk for OSA, consider to delay surgery for preoperative sleep study/ pulm evaluation and appropriate treatment very high risk
1. Do you Snore loudly?
2. Do you often feel Tired, fatigued, or sleepy during the daytime?
3. Has anyone Observed you stop breathing or choking/gasping during your sleep?
4. Do you have or are you being treated for High Blood Pressure?
5. BMI more than 35?
6. Age older than 50?
7. Neck size greater than 17 inches for men, or 16 inches for women?
8. Male Gender?

Chung F, Yegneswaran B, Liao P, et al. STOP questionnaire: a tool to screen patients for obstructive sleep apnea. Anesthesiology 2008; 108:812.

Information also adapted from "Pre-op Pulmonary Guidelines" lecture by Dr. Brian Markoff.