Delirium (PRE-DELIRIC) prediction model for intensive care patients, versio - Evidencio
Delirium (PRE-DELIRIC) prediction model for intensive care patients, version 1 (old)
The PRE-DELIRIC model version 1 allows for early prediction of delirium and initiation of preventive measures. In 2014, the model was recalibrated based on multicenter data, resulting in version 2 of the model.

We recommend using the recalibrated PRE-DELIRIC model (version 2) instead. 
Research authors: van den Boogaard M, Pickkers P, Slooter AJ, Kuiper MA, Spronk PE, van der Voorst PH, van der Hoeven JG, Donders R, van Achterberg T, and Schoonhoven L.
Version: 1.39
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Risk of delirium in intensive care patient:

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How this model should be used: 
The PRE-DELIRIC model version 1 for intensive care patients consists of ten risk factors that are readily available within 24 hours afterintensive care admission and has a high predictive value. The model allows for early prediction of delirium and initiation of preventive measures. 

Recalibrated model available: 
In 2014, the PRE-DELIRIC model version 1 was recalibrated based on multicenter data, resulting in version 2 of the model. We recommend using the recalibrated model instead of version 1. 

Model performance: 
The AUROC was 0.87 (95% confidence interval 0.85 to 0.89) and 0.86 after bootstrapping. The AUROC for nurses' and physicians' predictions (n=124) was significantly lower at 0.59 (95% CI: 0.49 to 0.70) for both. Calibration of the model resulted in a calibration slope of 1.08 and an intercept of −0.06. In a multicenter validation performed in 2014 including 2852 intensive care patients, the mean AUROC of the eight participating centers was 0.77 (95% CI: 0.74 to 0.79). 

Source: 
van den Boogaard M, Pickkers P, Slooter AJ, et al. Development and validation of PRE-DELIRIC (PREdiction of DELIRium in ICu patients) delirium prediction model for intensive care patients: observational multicentre study. BMJ. 2012;344:e420.

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