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Online Prediction of Health Care Utilization in the Next Six Months Based on Electronic Health Record Information: A Cohort and Validation Study

Zhongkai Hu, Shiying Hao, Bo Jin, Andrew Young Shin, Chunqing Zhu, Min Huang, Yue Wang, Le Zheng, Dorothy Dai, Devore S Culver, Shaun T Alfreds, Todd Rogow, Frank Stearns, Karl G Sylvester, Eric Widen, Xuefeng Ling

J Med Internet Res 2015;17(9):e219

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Estimating One-Year Risk of Incident Chronic Kidney Disease: Retrospective Development and Validation Study Using Electronic Medical Record Data From the State of Maine

based on time frames of electronic medical records (2013-2014 for derivation and 2014-2015 for validation).Figure 2Formula of a tree ensemble model developed with the training subset.Figure 3Sum of the loss function and the overfitting control term at the t

Shiying Hao, Tianyun Fu, Qian Wu, Bo Jin, Chunqing Zhu, Zhongkai Hu, Yanting Guo, Yan Zhang, Yunxian Yu, Terry Fouts, Phillip Ng, Devore S Culver, Shaun T Alfreds, Frank Stearns, Karl G Sylvester, Eric Widen, Doff B McElhinney, Xuefeng B Ling

JMIR Med Inform 2017;5(3):e21

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Understanding Problems With Sleep, Sexual Functioning, Energy, and Appetite Among Patients Who Access Transdiagnostic Internet-Delivered Cognitive Behavioral Therapy for Anxiety and Depression: Qualitative Exploratory Study

supports the efficacy of T-ICBT, and as a result, it is increasingly being implemented in routine care [7].

Michael R Edmonds, Heather D Hadjistavropoulos, Kirsten M Gullickson, Aleiia JN Asmundson, Blake F Dear, Nickolai Titov

JMIR Form Res 2020;4(10):e15037

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Prototyping the Automated Food Imaging and Nutrient Intake Tracking System: Modified Participatory Iterative Design Sprint

conducted to compare the current system and the AFINI-T system for users’ perceived workload for the RTLX.

Kaylen J Pfisterer, Jennifer Boger, Alexander Wong

JMIR Hum Factors 2019;6(2):e13017

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Prediction of the 1-Year Risk of Incident Lung Cancer: Prospective Study Using Electronic Health Records from the State of Maine

To avoid overfitting, the model at the t-th iteration was trained to minimize the following item, where was the prediction of the i-th instance at the t-1-th iteration, and l is a differentiable convex loss function

Xiaofang Wang, Yan Zhang, Shiying Hao, Le Zheng, Jiayu Liao, Chengyin Ye, Minjie Xia, Oliver Wang, Modi Liu, Ching Ho Weng, Son Q Duong, Bo Jin, Shaun T Alfreds, Frank Stearns, Laura Kanov, Karl G Sylvester, Eric Widen, Doff B McElhinney, Xuefeng B Ling

J Med Internet Res 2019;21(5):e13260

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Using Twitter to Surveil the Opioid Epidemic in North Carolina: An Exploratory Study

Mohd Anwar, Dalia Khoury, Arnie P Aldridge, Stephanie J Parker, Kevin P Conway

JMIR Public Health Surveill 2020;6(2):e17574

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Real-Time Web-Based Assessment of Total Population Risk of Future Emergency Department Utilization: Statewide Prospective Active Case Finding Study

Here, the mapped PPV was defined as the individual’s risk measure for the future 6-month ED visit.We obtained two thresholds, T h ,T m , from this mapping.

Zhongkai Hu, Bo Jin, Andrew Y Shin, Chunqing Zhu, Yifan Zhao, Shiying Hao, Le Zheng, Changlin Fu, Qiaojun Wen, Jun Ji, Zhen Li, Yong Wang, Xiaolin Zheng, Dorothy Dai, Devore S Culver, Shaun T Alfreds, Todd Rogow, Frank Stearns, Karl G Sylvester, Eric Widen, Xuefeng B Ling

Interact J Med Res 2015;4(1):e2

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Prediction of Incident Hypertension Within the Next Year: Prospective Study Using Statewide Electronic Health Records and Machine Learning

The model at the t- th iteration was trained to minimize the following objective, where l is a differentiable convex loss function that not only measures the difference between the target yi and the prediction ŷi(t-1) of the i-th instance at the t-1- th iteration

Chengyin Ye, Tianyun Fu, Shiying Hao, Yan Zhang, Oliver Wang, Bo Jin, Minjie Xia, Modi Liu, Xin Zhou, Qian Wu, Yanting Guo, Chunqing Zhu, Yu-Ming Li, Devore S Culver, Shaun T Alfreds, Frank Stearns, Karl G Sylvester, Eric Widen, Doff McElhinney, Xuefeng Ling

J Med Internet Res 2018;20(1):e22

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Harnessing the Web: How E-Health and E-Health Literacy Impact Young Adults’ Perceptions of Online Health Information

Rowena Briones

Med 2 0 2015;4(2):e5

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Assessing Statewide All-Cause Future One-Year Mortality: Prospective Study With Implications for Quality of Life, Resource Utilization, and Medical Futility

Selection based on P values (P<.05, chi-square test or t test) was the initial screening process to trim down the high dimension of the dataset.

Yanting Guo, Gang Zheng, Tianyun Fu, Shiying Hao, Chengyin Ye, Le Zheng, Modi Liu, Minjie Xia, Bo Jin, Chunqing Zhu, Oliver Wang, Qian Wu, Devore S Culver, Shaun T Alfreds, Frank Stearns, Laura Kanov, Ajay Bhatia, Karl G Sylvester, Eric Widen, Doff B McElhinney, Xuefeng Bruce Ling

J Med Internet Res 2018;20(6):e10311

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