Apfel Simplified PONV Score
Apfel simplified PONV risk score (Apfel 1999): female sex, nonsmoker, history of PONV or motion sickness, postoperative opioids (1 each); predicted PONV risk ~10/20/40/60/80% for scores 0-4.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Female sex
- Yes
- Nonsmoker
- Yes
- History of PONV or motion sickness
- No
- Postoperative opioids
- No
Result: Apfel 2 of 4: predicted PONV risk ~40% per Apfel 1999 Table 4.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- 0
- Predicted PONV risk ~10% per Apfel 1999.
- 1
- Predicted PONV risk ~20% per Apfel 1999.
- 2
- Predicted PONV risk ~40% per Apfel 1999.
- 3
- Predicted PONV risk ~60% per Apfel 1999.
- 4
- Predicted PONV risk ~80% per Apfel 1999.
What you enter
- Female sex
- Nonsmoker
- History of PONV or motion sickness
- Postoperative opioids
How this is calculated
Apfel CC, Laara E, Koivuranta M, Greim CA, Roewer N. A simplified risk score for predicting postoperative nausea and vomiting: conclusions from cross-validations between two centers. Anesthesiology. 1999;91(3):693-700. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.