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iCogCA to Promote Cognitive Health Through Digital Group Interventions for Individuals Living With a Schizophrenia Spectrum Disorder: Protocol for a Nonrandomized Concurrent Controlled Trial

iCogCA to Promote Cognitive Health Through Digital Group Interventions for Individuals Living With a Schizophrenia Spectrum Disorder: Protocol for a Nonrandomized Concurrent Controlled Trial

Our analyses, based on simulated data, suggest that a total sample size of 300 provides enough statistical power (up to 90%) to detect anticipated effect sizes on primary outcomes of cognitive capacity and cognitive bias based on values from our group and those reported in the literature (CR: d=0.50 and MCT: g=0.27) [9,20,27,31]. The attrition rate for our digital groups has been approximately 20%; we will nonetheless conservatively adjust for an attrition rate of 30%.

Christy Au-Yeung, Helen Thai, Michael Best, Christopher R Bowie, Synthia Guimond, Katie M Lavigne, Mahesh Menon, Steffen Moritz, Myra Piat, Geneviève Sauvé, Ana Elisa Sousa, Elisabeth Thibaudeau, Todd S Woodward, Martin Lepage, Delphine Raucher-Chéné

JMIR Res Protoc 2025;14:e63269

Evaluating User Experience and Satisfaction in a Concussion Rehabilitation App: Usability Study

Evaluating User Experience and Satisfaction in a Concussion Rehabilitation App: Usability Study

Screenshots of the Rhea mobile app from left to right display (A) the home page of a participant’s plan, (B) a symptom checklist during onboarding that assists with exercise prescription, (C) an exercise preview screen providing description and cues for correct form, and (D) an exercise session screen with a timer and details of the next exercise for the user.

Michael G Hutchison, Alex P Di Battista, Kyla L Pyndiura

JMIR Form Res 2025;9:e67275

Identification of Patients With Congestive Heart Failure From the Electronic Health Records of Two Hospitals: Retrospective Study

Identification of Patients With Congestive Heart Failure From the Electronic Health Records of Two Hospitals: Retrospective Study

(C) and (D) Performance of training on BIDMC data and testing on MGH data. AUPRC: area under the precision-recall curve; AUROC: area under the receiver operating characteristic curve; BIDMC: Beth Israel Deaconess Medical Center; MGH: Mass General Hospital; PR: precision-recall; ROC: receiver operating characteristic. Logistic regression coefficients from using the model trained with notes, ICDa codes, and medications. Unexpected results are discussed in the Error Analysis section.

Daniel Sumsion, Elijah Davis, Marta Fernandes, Ruoqi Wei, Rebecca Milde, Jet Malou Veltink, Wan-Yee Kong, Yiwen Xiong, Samvrit Rao, Tara Westover, Lydia Petersen, Niels Turley, Arjun Singh, Stephanie Buss, Shibani Mukerji, Sahar Zafar, Sudeshna Das, Valdery Moura Junior, Manohar Ghanta, Aditya Gupta, Jennifer Kim, Katie Stone, Emmanuel Mignot, Dennis Hwang, Lynn Marie Trotti, Gari D Clifford, Umakanth Katwa, Robert Thomas, M Brandon Westover, Haoqi Sun

JMIR Med Inform 2025;13:e64113