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Impact of Virtual Reality–Based Biofeedback on Sleep Quality Among Individuals With Depressive Symptoms, Anxiety Symptoms, or Both: 4-Week Randomized Controlled Study

Impact of Virtual Reality–Based Biofeedback on Sleep Quality Among Individuals With Depressive Symptoms, Anxiety Symptoms, or Both: 4-Week Randomized Controlled Study

This study used the same cohort as Cho et al (2024) and used PSQI as the primary outcome. Although the sample size calculation was originally based on MADRS, the current sample size was considered sufficient for detecting meaningful differences in PSQI with a power of 79.75% (effect size=0.1) from post-hoc power analysis.

Sisu Seong, Hyewon Kim, Yaehee Cho, Min-Ji Kim, Ka Ram Park, Jooeun Choi, Seonah Lee, Dong Jun Kim, Seog Ju Kim, Hong Jin Jeon

J Med Internet Res 2025;27:e65772

Remote Photoplethysmography Technology for Blood Pressure and Hemoglobin Level Assessment in the Preoperative Assessment Setting: Algorithm Development Study

Remote Photoplethysmography Technology for Blood Pressure and Hemoglobin Level Assessment in the Preoperative Assessment Setting: Algorithm Development Study

A total of 200 patients with a mean age of 56.44 years (range: 21‐84 y) participated. Of these patients, 67% had comorbid conditions such as hypertension, diabetes mellitus, and ischemic heart disease. The demographic profile of the participants is given in Table 1. Demographic profile of patients (N=200). a SBP: systolic blood pressure. b DBP: diastolic blood pressure. We defined hypertension according to the European Society of Hypertension (ESH) guidelines [25].

Selene Y L Tan, Jia Xin Chai, Minwoo Choi, Umair Javaid, Brenda Pei Yi Tan, Belinda Si Ying Chow, Hairil Rizal Abdullah

JMIR Form Res 2025;9:e60455