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Dynamic prediction ...
Dynamic prediction of mortality after traumatic brain injury using a machine learning algorithm
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Raj, R (author)
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Wennervirta, JM (author)
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- Tjerkaski, J (author)
- Karolinska Institutet
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Luoto, TM (author)
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Posti, JP (author)
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- Nelson, DW (author)
- Karolinska Institutet
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Takala, R (author)
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Bendel, S (author)
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- Thelin, EP (author)
- Karolinska Institutet
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Luostarinen, T (author)
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Korja, M (author)
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(creator_code:org_t)
- 2022-07-18
- 2022
- English.
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In: NPJ digital medicine. - : Springer Science and Business Media LLC. - 2398-6352. ; 5:1, s. 96-
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Abstract
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- Intensive care for patients with traumatic brain injury (TBI) aims to optimize intracranial pressure (ICP) and cerebral perfusion pressure (CPP). The transformation of ICP and CPP time-series data into a dynamic prediction model could aid clinicians to make more data-driven treatment decisions. We retrained and externally validated a machine learning model to dynamically predict the risk of mortality in patients with TBI. Retraining was done in 686 patients with 62,000 h of data and validation was done in two international cohorts including 638 patients with 60,000 h of data. The area under the receiver operating characteristic curve increased with time to 0.79 and 0.73 and the precision recall curve increased with time to 0.57 and 0.64 in the Swedish and American validation cohorts, respectively. The rate of false positives decreased to ≤2.5%. The algorithm provides dynamic mortality predictions during intensive care that improved with increasing data and may have a role as a clinical decision support tool.
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- art (subject category)
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- By the author/editor
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Raj, R
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Wennervirta, JM
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Tjerkaski, J
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Luoto, TM
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Posti, JP
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Nelson, DW
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show more...
-
Takala, R
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Bendel, S
-
Thelin, EP
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Luostarinen, T
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Korja, M
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show less...
- Articles in the publication
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NPJ digital medi ...
- By the university
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Karolinska Institutet