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Multicenter Study
. 2021 Jul:227:74-86.
doi: 10.1016/j.ajo.2021.01.008. Epub 2021 Jan 23.

Predictive Analytics for Glaucoma Using Data From the All of Us Research Program

Affiliations
Multicenter Study

Predictive Analytics for Glaucoma Using Data From the All of Us Research Program

Sally L Baxter et al. Am J Ophthalmol. 2021 Jul.

Abstract

Purpose: To (1) use All of Us (AoU) data to validate a previously published single-center model predicting the need for surgery among individuals with glaucoma, (2) train new models using AoU data, and (3) share insights regarding this novel data source for ophthalmic research.

Design: Development and evaluation of machine learning models.

Methods: Electronic health record data were extracted from AoU for 1,231 adults diagnosed with primary open-angle glaucoma. The single-center model was applied to AoU data for external validation. AoU data were then used to train new models for predicting the need for glaucoma surgery using multivariable logistic regression, artificial neural networks, and random forests. Five-fold cross-validation was performed. Model performance was evaluated based on area under the receiver operating characteristic curve (AUC), accuracy, precision, and recall.

Results: The mean (standard deviation) age of the AoU cohort was 69.1 (10.5) years, with 57.3% women and 33.5% black, significantly exceeding representation in the single-center cohort (P = .04 and P < .001, respectively). Of 1,231 participants, 286 (23.2%) needed glaucoma surgery. When applying the single-center model to AoU data, accuracy was 0.69 and AUC was only 0.49. Using AoU data to train new models resulted in superior performance: AUCs ranged from 0.80 (logistic regression) to 0.99 (random forests).

Conclusions: Models trained with national AoU data achieved superior performance compared with using single-center data. Although AoU does not currently include ophthalmic imaging, it offers several strengths over similar big-data sources such as claims data. AoU is a promising new data source for ophthalmic research.

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Figures

Figure 1.
Figure 1.
Study workflow and cohort definition for evaluating predictive models for participants with primary open-angle glaucoma in the All of Us Research Program.
Figure 2.
Figure 2.
Composite receiver operating characteristic (ROC) curves for multivariable Logistic Regression (LR) model with area under the curve (AUC) of 0.80, Artificial Neural Network (ANN) model with AUC of 0.93, and Random Forests (RF) model with AUC of 0.99 predicting need for surgery among All of Us research participants with glaucoma.
Figure 3.
Figure 3.
Strengths and limitations of All of Us data for ophthalmic research.

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