ICU and Critical Care
PRESET Score calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Allowed range: 20–200 mm Hg
Allowed range: 0–270.27 mg/dL
Allowed range: 6.5–7.8
Allowed range: 0–1000 10³/µL
Allowed range: 0–120 days
Two days or fewer is 0, 3 to 7 is 1, and more than 7 is 2.
Result
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Clinical inputs
- Mean arterial pressure (mm Hg)Accepted range: 20 to 200
- Lactate (mmol/L)Accepted range: 0 to 30
- Arterial pHAccepted range: 6.5 to 7.8
- Platelet count (10³/µL)Accepted range: 0 to 1000
- Hospital days before ECMOAccepted range: 0 to 120
Primary source
Hilder M et al. Comparison of mortality prediction models in acute respiratory distress syndrome undergoing extracorporeal membrane oxygenation and development of a novel prediction score: the PREdiction of Survival on ECMO Therapy-Score (PRESET-Score). Crit Care. DOI: 10.1186/s13054-017-1888-6. PMID: 29233160. Table 4: mean arterial pressure >100 is 0, 91–100 is 1, 81–90 is 2, 71–80 is 3, and 70 or lower is 4; lactate 1.50 or lower is 0, 1.51–3.00 is 1, 3.01–6.00 is 2, 6.01–10.00 is 3, and above 10 is 4; pH above 7.300 is 0, 7.201–7.300 is 1, 7.101–7.200 is 2, and 7.100 or lower is 3; platelets above 200×10³/µL are 0, 101–200 are 1, and 100 or lower are 2; hospital days before ECMO of 2 or fewer are 0, 3–7 are 1, and more than 7 are 2. Risk class I is 0–5 (ICU mortality 26%), class II is 6–9 (68%), and class III is 10–15 (93%). (2017)
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