ABSTRACT
The rapid shallow breathing index (RSBI) is commonly used clinically for predicting the outcome of ventilator weaning. However, the results of prediction are controversial. This study employs decision tree analysis of data mining to construct ventilator weaning prediction model in order to improve the accuracy of ventilator weaning prediction and medication quality. Between January 2014 and December 2015, 656 patients with respiratory failure using mechanical ventilator in the ICU of a regional hospital in central Taiwan were included. We recorded demographic and clinical data and analyzed these data with C4.5 decision tree model and RSBI. From decision tree model, we found that admission source and the reason for using ventilator were important predictors of ventilator weaning. The prediction model constructed by decision tree achieves 78% of sensitivity, 74% of specificity and 77% of accuracy in test set for predicting whether ventilator weaning will be successful within 21 days, while using RSBI<105 can reach 78%t of sensitivity with only 50% of specificity and 72% of accuracy. Base on this result, the decision tree model is a good method in predicting ventilator weaning. Furthermore, our study could help clinicians in clinical decision making to improve ventilator weaning rate.
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Index Terms
- Early Prediction of Ventilator Weaning with Decision Tree Analysis
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