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Diagnosis of Sarcopenia Using Convolutional Neural Network Models Based on Muscle Ultrasound Images: Prospective Multicenter Study

Diagnosis of Sarcopenia Using Convolutional Neural Network Models Based on Muscle Ultrasound Images: Prospective Multicenter Study

Comparisons of differences in clinical factors between groups with or without sarcopenia were analyzed using the independent 2-sample t test, Wilcoxon rank-sum test, or chi-square test. The receiver operating characteristic (ROC) curves were constructed to assess the prediction performance of models. The area under the ROC curve (AUC) with 95% CIs, sensitivity, specificity, and accuracy were investigated.

Zi-Tong Chen, Xiao-Long Li, Feng-Shan Jin, Yi-Lei Shi, Lei Zhang, Hao-Hao Yin, Yu-Li Zhu, Xin-Yi Tang, Xi-Yuan Lin, Bei-Lei Lu, Qun Wang, Li-Ping Sun, Xiao-Xiang Zhu, Li Qiu, Hui-Xiong Xu, Le-Hang Guo

J Med Internet Res 2025;27:e70545

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Effectiveness and Mechanisms of a Digital Mindfulness–Based Intervention for Subthreshold to Clinical Insomnia Symptoms in Pregnant Women: Randomized Controlled Trial

Effectiveness and Mechanisms of a Digital Mindfulness–Based Intervention for Subthreshold to Clinical Insomnia Symptoms in Pregnant Women: Randomized Controlled Trial

Moreover, we examined whether there was a difference in the treatment effect (indicated by their remission status at follow-up or reliable change status from baseline to follow-up) for adherent versus nonadherent participants in the intervention group through Chi-squared tests. More details are available in Multimedia Appendix 2 [8,49,78].

Juan Wang, Qiuhong Yang, Naixue Cui, Liuliu Wu, Xuan Zhang, Yaoyao Sun, Yongqi Huang, Fenglin Cao

J Med Internet Res 2025;27:e68084

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Current Technological Advances in Dysphagia Screening: Systematic Scoping Review

Current Technological Advances in Dysphagia Screening: Systematic Scoping Review

Another narrative review by Wu et al [73] provided a comprehensive overview on different noninvasive sensors for swallowing assessments. Consistent with previous reviews, we found that SVM was the most common model used across the studies. The variations in screening protocols, the limitation of small sample sizes, and the lack of external tests were also common problems.

Duo Wai-Chi Wong, Jiao Wang, Sophia Ming-Yan Cheung, Derek Ka-Hei Lai, Armstrong Tat-San Chiu, Dai Pu, James Chung-Wai Cheung, Timothy Chi-Yui Kwok

J Med Internet Res 2025;27:e65551

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Translation, Cross-Cultural Adaptation, and Psychometric Validation of the Health Information Technology Usability Evaluation Scale in China: Instrument Validation Study

Translation, Cross-Cultural Adaptation, and Psychometric Validation of the Health Information Technology Usability Evaluation Scale in China: Instrument Validation Study

Categorical variables were expressed as frequencies or proportions (%) and comparisons were conducted using chi-square or Fisher exact test as appropriate. The content validity of the finalized Health-ITUES-R and Health-ITUES-P was assessed by the item-level content validity index (I-CVI) and S-CVI based on expert ratings. I-CVI is the ratio of the experts ranking the item for 3 or 4 scores, and the S-CVI is the average value of all the I-CVI scores [29].

Rongrong Guo, Ziling Zheng, Fangyu Yang, Ying Wu

J Med Internet Res 2025;27:e67948

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