… This cross-sectional study included 9733 participants aged 35 to 74 years from the baseline
survey of Guangzhou Heart Study. OSA was evaluated by Berlin Questionnaire. The healthy …

… Firstly, as this was a cross-sectional study, we could not obtain a result with causality; Secondly,
evaluation of sleep apnea was based on self-reporting rather than polysomnography, in …

Oxidative stress (OS) drives cardiometabolic diseases. Intermittent hypoxia consistently
increases oxidative stress markers. Obstructive sleep apnea (OSA) patients experience …

… Study Setting, Design, and Participants A population-based cross-sectional study was
conducted to estimate the prevalence of being at a high-risk for OSA and to determine the …

… This cross-sectional study aimed to investigate the prevalence and clinical characteristics of
… sleep apnoea. We enrolled 133 male patients with suspected obstructive sleep apnoea. Ear, …

… This might explain why the outcomes of the present study differ from those of other studies.
In retrospective cross-sectional studies a certain amount of bias could be introduced due to a …

… After excluding individuals with cardiopulmonary diseases, central sleep apnea, and mixed
sleep apnea, 4634 participants with OSA were included in this cross-sectional study. The …

… Firstly, this study could not establish a causal relationship owing to the nature of the cross-sectional
study. However, the purpose of this study was only to preliminarily explore the …

… Here, we present the results of a large cross-sectional study using PSG data. The aim of the
study was to (1) evaluate the relationships between visceral adiposity variables and OSAHS …

… A cross-sectional study from July 2019 to March 2020 was designed with consecutive adults
undergoing full polysomnography. Participants were grouped into 2 cohorts according to …