Koivuranta PONV Score
Koivuranta PONV score (Koivuranta 1997): female sex, prior PONV, motion sickness, non-smoker, and surgery > 60 min each 1 point; total 0-5 predicts postoperative nausea/vomiting risk.
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
- Previous PONV
- Yes
- Non-smoker
- Yes
Result: Koivuranta score 3 of 5 — ~54% PONV risk.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- 0-5
- Female, prior PONV, motion sickness, non-smoker, surgery > 60 min, each 1 point. PONV risk ~ 17/18/42/54/74/87% for 0-5. A risk score, not a diagnosis.
What you enter
- Female sex
- Previous PONV
- History of motion sickness
- Non-smoker
- Surgery > 60 minutes
How this is calculated
Koivuranta M, Laara E, Snare L, Alahuhta S. A survey of postoperative nausea and vomiting. Anaesthesia. 1997;52(5):443-449. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.