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Apfel Simplified PONV Risk Score

Estimates risk of postoperative nausea and vomiting from 4 simple risk factors, to guide antiemetic prophylaxis intensity.

For healthcare professionals.These calculate a score or a measurement from values you enter. They do not diagnose, and they are no substitute for clinical judgement. If you are a patient, discuss any result with your own doctor rather than acting on it.

Female sex

History of PONV or motion sickness

Nonsmoker

Postoperative opioids planned

Result

0 / 4

0 risk factors

Estimated PONV risk: ~10%. Multimodal antiemetic prophylaxis is generally recommended at score ≥2.

Source

Apfel CC, Läärä E, Koivuranta M, Greim CA, Roewer N. A simplified risk score for predicting postoperative nausea and vomiting. Anesthesiology. 1999;91(3):693-700.

Shown for reference and checked against the source above. Confirm against current guidance before acting on it, and use your own clinical judgement.

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