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International Journal of Fuzzy Logic and Intelligent Systems 2024; 24(3): 287-294

Published online September 25, 2024

https://doi.org/10.5391/IJFIS.2024.24.3.287

© The Korean Institute of Intelligent Systems

Deep Learning Model for Predicting Critical Patient Conditions

Gayoung Kim

Faculty of General Education, Kangnam University, Youngin, Korea

Correspondence to :
Gayoung Kim (dolga2000@gmail.com)

Received: July 18, 2024; Revised: September 13, 2024; Accepted: September 22, 2024

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Disease prediction using existing deep learning methods can predict diseases with relatively limited clinical data by detecting the symptoms of specific parts and body abnormalities according to the disease. Predicting a patient’s severity requires considering multiple types of clinical data. However, existing models struggle with overfitting and reduced accuracy in making these predictions. This study proposes a system that can predict the signs of critical illness using vital data from multiple patients, such as respiratory rate and oxygen saturation, through deep learning. This enables an early response by medical staff, improving treatment efficiency, and reducing the mortality rate. To address these issues, DNN-based intensive care prediction (DBICP), was used to detect whether the patient is improving and the risk; it showed a prediction accuracy of 95%, which is approximately 10% higher than the prediction accuracy using existing methods. If the predicted patient status is presented to the medical staff through the proposed system, we expect that work efficiency and treatment results will be improved through a more accurate and faster diagnosis.

Keywords: Deep learning, Healthcare, Critical patient condition

This research was supported by Kangnam University Research Grants (2021).

No potential conflict of interest relevant to this article was reported.

Gayoung Kim received her M.S. and Ph.D. in computer engineering from Dongguk University, in 2002 and 2005, respectively. She is currently a professor Faculty of General Education at Kangnam University. Her research interests are wireless sensor networks and deep learning.

E-mail:dolga2000@gmail.com

Article

Original Article

International Journal of Fuzzy Logic and Intelligent Systems 2024; 24(3): 287-294

Published online September 25, 2024 https://doi.org/10.5391/IJFIS.2024.24.3.287

Copyright © The Korean Institute of Intelligent Systems.

Deep Learning Model for Predicting Critical Patient Conditions

Gayoung Kim

Faculty of General Education, Kangnam University, Youngin, Korea

Correspondence to:Gayoung Kim (dolga2000@gmail.com)

Received: July 18, 2024; Revised: September 13, 2024; Accepted: September 22, 2024

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Disease prediction using existing deep learning methods can predict diseases with relatively limited clinical data by detecting the symptoms of specific parts and body abnormalities according to the disease. Predicting a patient’s severity requires considering multiple types of clinical data. However, existing models struggle with overfitting and reduced accuracy in making these predictions. This study proposes a system that can predict the signs of critical illness using vital data from multiple patients, such as respiratory rate and oxygen saturation, through deep learning. This enables an early response by medical staff, improving treatment efficiency, and reducing the mortality rate. To address these issues, DNN-based intensive care prediction (DBICP), was used to detect whether the patient is improving and the risk; it showed a prediction accuracy of 95%, which is approximately 10% higher than the prediction accuracy using existing methods. If the predicted patient status is presented to the medical staff through the proposed system, we expect that work efficiency and treatment results will be improved through a more accurate and faster diagnosis.

Keywords: Deep learning, Healthcare, Critical patient condition

Fig 1.

Figure 1.

Flowchart of the proposed DNN-based intensive care prediction (DBICP) using DNN.

The International Journal of Fuzzy Logic and Intelligent Systems 2024; 24: 287-294https://doi.org/10.5391/IJFIS.2024.24.3.287

Fig 2.

Figure 2.

Performance and overfitting issues of related research methods.

The International Journal of Fuzzy Logic and Intelligent Systems 2024; 24: 287-294https://doi.org/10.5391/IJFIS.2024.24.3.287

Fig 3.

Figure 3.

Performance issues depending on number of layers.

The International Journal of Fuzzy Logic and Intelligent Systems 2024; 24: 287-294https://doi.org/10.5391/IJFIS.2024.24.3.287

Fig 4.

Figure 4.

Optimal parameters of DNN.

The International Journal of Fuzzy Logic and Intelligent Systems 2024; 24: 287-294https://doi.org/10.5391/IJFIS.2024.24.3.287

Fig 5.

Figure 5.

Evaluation of DNN.

The International Journal of Fuzzy Logic and Intelligent Systems 2024; 24: 287-294https://doi.org/10.5391/IJFIS.2024.24.3.287

Table 1 . Simulation dataset.

No.Column nameExplain
1SEX_CDGender
2AGRDEAge range
3INGR_NMType of medication prescribed
4ATC_CONTMedicine classification code
5TPRSC_CAPANumber of days prescribed medication
6PRSC_CLS_NMTotal prescription amount
7PRSC_CLS_NMPrescription classification code
8DBPDiastolic blood pressure
10PULPulsation
11BREBreath
12TEMPTemperature
13ICD10CDInternational classification of diseases code
14DIAG_NMDiagnosis
15WTHN30_REHOSP_YNWhether to revisit the hospital within 30 days
16RSLT_CONT (Target)Patient condition signs (Target)

Table 2 . Comparison of performance of the final DNN with other models.

MethodModel accuracyValidation accuracyPrecisionRecallF1-score
Random forest0.99700.68420.99750.99890.9982
Ensemble0.99730.71240.99700.99710.9970
XGBoost0.99280.72300.98410.98410.9841
Logistic regression0.72120.70480.78460.81730.8006
Neural network0.87030.88120.66500.99270.7964
DNN0.95410.94360.95570.95910.9574

The bold font indicates the best performance in each test..


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