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Article
Short- and long-term neuropsychiatric outcomes in long COVID in South Korea and Japan
We investigated whether SARS-CoV-2 infection is associated with short- and long-term neuropsychiatric sequelae. We used population-based cohorts from the Korean nationwide cohort (discovery; n = 10,027,506) and t...
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Article
Association between self-reported visual symptoms (suggesting cataract) and self-reported fall-related injury among adults aged ≥ 65 years from five low- and middle-income countries
Cataracts may increase risk for falls but studies on this topic from low- and middle-income countries (LMICs) are scarce. Therefore, we examined the cross-sectional association between self-reported visual sym...
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Article
Open AccessAssociation between sedentary behavior and dynapenic abdominal obesity among older adults from low- and middle-income countries
Sedentary behavior, or time spent sitting, may increase risk for dynapenic abdominal obesity (DAO), but there are currently no studies on this topic.
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Article
Open AccessCorrelations between sleep problems, core symptoms, and behavioral problems in children and adolescents with autism spectrum disorder: a systematic review and meta-analysis
Children and adolescents with autism spectrum disorder (ASD) experience various sleep problems. Sleep problems co-occur in a bidirectional relationship with ASD core symptoms and behavioral problems. However, ...
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Article
Comparative efficacy and optimal duration of first-line antibiotic regimens for acute otitis media in children and adolescents: a systematic review and network meta-analysis of 89 randomized clinical trials
Antibiotic use for acute otitis media (AOM) is one of the major sources of antimicrobial resistance. However, the effective minimal antibiotic duration for AOM remains unclear. Moreover, guidelines often recom...
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Article
Open AccessGlobal prevalence of functional dyspepsia according to Rome criteria, 1990–2020: a systematic review and meta-analysis
Although functional dyspepsia (FD) is a common functional gastroduodenal disorder with a high socioeconomic burden, little is known about its global prevalence. Thus, we performed a comprehensive study to esti...
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Article
Open AccessPharmacological and non-pharmacological interventions for irritability in autism spectrum disorder: a systematic review and meta-analysis with the GRADE assessment
Numerous interventions for irritability in autism spectrum disorder (ASD) have been investigated. We aimed to appraise the magnitude of pharmacological and non-pharmacological interventions for irritability in...
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Article
Open AccessPsychological distress and voting behaviour in nine countries of the former Soviet Union
Poorer mental health is linked to a lower likelihood of voting in elections. However, little is known about this association in non-Western settings. This study examined the association between psychological d...
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Article
Incidence, prevalence, and global burden of schizophrenia - data, with critical appraisal, from the Global Burden of Disease (GBD) 2019
Schizophrenia substantially contributes to the burden of mental disorders. Schizophrenia’s burden and epidemiological estimates in some countries have been published, but updated estimates of prevalence, incid...
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Article
Association between serum total cholesterol and chronic kidney disease progression in children: results from the KNOW-PedCKD
Dyslipidemia can cause cardiovascular disease and increase the fatality rate among children with chronic kidney disease (CKD); this makes early screening and treatment of dyslipidemia crucial. This study aimed...
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Article
Open AccessFood insecurity and subjective cognitive complaints among adults aged ≥ 65 years from low- and middle-income countries
To date, no study has investigated the association between food insecurity and subjective cognitive complaints (SCC). Thus, the aims of the present study were to examine this association among older adults in ...
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Article
Open AccessNational trends in rheumatoid arthritis and osteoarthritis prevalence in South Korea, 1998–2021
Studies on the trends in the prevalence of rheumatoid arthritis (RA) and osteoarthritis (OA) are limited, particularly during the COVID-19 pandemic. This study aimed to analyze the temporal trend of RA and OA ...
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Article
Incidence, prevalence, and global burden of ADHD from 1990 to 2019 across 204 countries: data, with critical re-analysis, from the Global Burden of Disease study
Data on incidence, prevalence and burden of ADHD are crucial for clinicians, patients, and stakeholders. We present the incidence, prevalence, and burden of ADHD globally and across countries from 1990 to 2019...
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Article
National trends in alcohol and substance use among adolescents from 2005 to 2021: a Korean serial cross-sectional study of one million adolescents
Although previous studies have provided data on early pandemic periods of alcohol and substance use in adolescents, more adequate studies are needed to predict the trends of alcohol and substance use during re...
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Article
Open AccessBreastfeeding and impact on childhood hospital admissions: a nationwide birth cohort in South Korea
Benefits of breastfeeding for both the mother and the child are well established, but a comprehensive and robust study to investigate the protective effect of breastfeeding and attenuated time effect stratifie...
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Article
Open AccessQuantification of identifying cognitive impairment using olfactory-stimulated functional near-infrared spectroscopy with machine learning: a post hoc analysis of a diagnostic trial and validation of an external additional trial
We aimed to quantify the identification of mild cognitive impairment and/or Alzheimer’s disease using olfactory-stimulated functional near-infrared spectroscopy using machine learning through a post hoc analys...
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Article
Open AccessPain and mild cognitive impairment among adults aged 50 years and above residing in low- and middle-income countries
Previous studies on the association between pain and cognitive decline or impairment have yielded mixed results, while studies from low- and middle-income countries (LMICs) or specifically on mild cognitive im...
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Article
Open AccessSociodemographic inequalities in mortality from drowning in the Baltic countries and Finland in 2000–2015: a register-based study
Drowning is an important public health problem. Some evidence suggests that the risk of drowning is not distributed evenly across the general population. However, there has been comparatively little research o...
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Article
Is there an association between breast cancer and incident adhesive capsulitis of the shoulder? A retrospective cohort study from Germany
Preliminary data suggest that women with breast cancer are at particularly high risk of adhesive capsulitis of the shoulder. Therefore, this study aimed to investigate the potential association between breast ...
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Article
Open AccessNational trends in the prevalence of chronic kidney disease among Korean adults, 2007–2020
Little is known about the prevalence of chronic kidney disease (CKD) during the coronavirus disease 2019 (COVID-19) pandemic. We aimed to investigate the long-term trends in CKD prevalence from South Korea inc...
