fullPIERS (pre-eclampsia adverse-outcome risk)
fullPIERS — a logistic model for an adverse maternal outcome within 48 h of pre-eclampsia from gestational age, chest pain/dyspnea, oxygen saturation, platelets, creatinine, and AST; ≥ 30% is high risk.
Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Gestational age
- 32 weeks
- Chest pain or dyspnea
- Yes
- Oxygen saturation
- 96 %
- Platelet count
- 120 ×10⁹/L
- Creatinine
- 90 µmol/L
- AST
- 60 U/L
Result: fullPIERS 17.6% probability of adverse maternal outcome within 48 h: 10 to 30% -- intermediate risk.
The tool opens with these values already filled in. Replace them with your own.
What the result means
- < 10%
- Low risk.
- 10 to 30%
- Intermediate risk.
- >= 30%
- High risk (rule-in; positive likelihood ratio about 17.5).
What you enter
- Gestational age
- Chest pain or dyspnea
- Oxygen saturation
- Platelet count
- Creatinine
- AST
How this is calculated
von Dadelszen P, Payne B, Li J, et al. Prediction of adverse maternal outcomes in pre-eclampsia: development and validation of the fullPIERS model. Lancet. 2011;377(9761):219-227. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.