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Case Identification of Depression in Inpatient Electronic Medical Records: Scoping Review

Case Identification of Depression in Inpatient Electronic Medical Records: Scoping Review

The search terms used to identify this category were not specific to a type of algorithm or method of case identification, as the purpose was to include a broad range of variations in phenotypic methodology (Multimedia Appendix 1). We adapted an existing data extraction form (Multimedia Appendix 2, Lee et al [18]) to collect the results of our review. Data were extracted by 1 reviewer and then confirmed by a second reviewer.

Allison Grothman, William J Ma, Kendra G Tickner, Elliot A Martin, Danielle A Southern, Hude Quan

JMIR Med Inform 2024;12:e49781

BERT-Based Neural Network for Inpatient Fall Detection From Electronic Medical Records: Retrospective Cohort Study

BERT-Based Neural Network for Inpatient Fall Detection From Electronic Medical Records: Retrospective Cohort Study

The use of transformer-based methods to understand EMR text data has emerged as a promising new trend in automatic clinical text analysis [32]. In this study, we intend to pretrain an existing model, Bio Clinical BERT [33], with free text data from Alberta hospital EMRs to develop an Alberta hospital notes-specific BERT model (AHN-BERT). The pretrained language model would serve as a feature extraction layer in a neural network to identify inpatient falls.

Cheligeer Cheligeer, Guosong Wu, Seungwon Lee, Jie Pan, Danielle A Southern, Elliot A Martin, Natalie Sapiro, Cathy A Eastwood, Hude Quan, Yuan Xu

JMIR Med Inform 2024;12:e48995

Developing an Inpatient Electronic Medical Record Phenotype for Hospital-Acquired Pressure Injuries: Case Study Using Natural Language Processing Models

Developing an Inpatient Electronic Medical Record Phenotype for Hospital-Acquired Pressure Injuries: Case Study Using Natural Language Processing Models

All nursing notes of selected document types were merged into 1 text and converted into a bag-of-words (BOW) vector with the count of words or term frequency-inverse document frequency (TF-IDF) vectorizer by using a Python scikit-learn ML library [29-31]. A binary classification model was developed to identify HAPI cases by considering all patients who developed any stage of PI during a hospital stay as positive cases and patients without PIs as the negative cohort.

Elvira Nurmambetova, Jie Pan, Zilong Zhang, Guosong Wu, Seungwon Lee, Danielle A Southern, Elliot A Martin, Chester Ho, Yuan Xu, Cathy A Eastwood

JMIR AI 2023;2:e41264