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Factors associated with sarcopenia in Japanese patients with rheumatoid arthritis: results from the IORRA cohort study
To investigate the prevalence of and factors associated with sarcopenia in Japanese patients with rheumatoid arthritis (RA). We analyzed a...
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Gastrointestinal symptoms in COVID-19 and disease severity: a Japanese registry-based retrospective cohort study
BackgroundResearch on whether gastrointestinal symptoms correlate with the severity of Coronavirus Disease 2019 (COVID-19) has been inconclusive....
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Impact of dietary habits on renal function in Saku, a rural Japanese town: a cohort study
BackgroundHigh protein intake leads to a decline in renal function in the advanced stages of chronic kidney disease (CKD). An effective diet for...
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Case volume and specialization in critically ill emergency patients: a nationwide cohort study in Japanese ICUs
BackgroundPrevious studies have explored the association between the number of cases and patient outcomes for critical illnesses such as sepsis and...
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Preconception underweight impact on postnatal osteoporotic fracture: a retrospective cohort study using Japanese claims data
BackgroundUndernutrition and underweight are osteoporosis risk factors. Therefore, improving the health of underweight young women in Japan is an...
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Association between Dairy Product intake and Risk of Osteoporotic Fractures in Postmenopausal Japanese Women: Secondary Analysis of 15-Year Follow-Up data from the Japanese Population-Based Osteoporosis (JPOS) Cohort Study
ObjectivesFew prospective cohort studies have evaluated the relationship between dairy product intake frequency and risk of osteoporotic fractures in...
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Association Between Body Image Before and During Pregnancy and Gestational Weight Gain in Japanese Women: A Prospective Cohort Study
ObjectivesMore than half of women do not achieve appropriate gestational weight gain. Maternal body image may be an important factor associated with...
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Polygenic risk score for blood pressure and lifestyle factors with overall and CVD mortality: a prospective cohort study in a Japanese population
Although previous polygenic risk score (PRS) studies for cardiovascular disease (CVD) focused on incidence, few studies addressed CVD mortality and...
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Development and validation of genome-wide polygenic risk scores for predicting breast cancer incidence in Japanese females: a population-based case-cohort study
PurposeThis study aimed to develop an ancestry-specific polygenic risk scores (PRSs) for the prediction of breast cancer events in Japanese females...
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Safety and Effectiveness of Apixaban Versus Warfarin in Japanese Patients with Nonvalvular Atrial Fibrillation Stratified by Renal Function: A Retrospective Cohort Study
BackgroundWe previously conducted a retrospective cohort study using chart review of oral anticoagulant-naïve Japanese patients with nonvalvular...
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Low plasma 25-hydroxyvitamin D levels are not associated with a high risk of recurrent falls in community-dwelling Japanese adults: the Murakami cohort study
Mini-abstractReports on the association between vitamin D levels and fall risk have been mixed, and long-term follow-up studies are lacking. This...
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Primary analysis of a prospective cohort study of Japanese patients with plasma cell neoplasms in the novel drug era (2016–2021)
The emergence of novel drugs has significantly improved outcomes of patients with plasma cell neoplasms (PCN). The Japanese Society of Hematology...
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Positive association between blood glucose in physical examinations and self-reported fractures among middle-aged and elderly Japanese men: a prospective cohort study
SummaryThe association between blood glucose and fractures is not consistent across populations. Blood glucose was associated with fractures five...
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Association between 1-year changes in urinary albumin-to-creatinine ratio and kidney disease progression in Japanese individuals with diabetes: a historical cohort study
BackgroundThe National Kidney Foundation recently proposed a ≥ 30% decrease in urinary albumin–to–creatinine ratio (UACR) over 0.5–2 years as a...
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Association between mammographic breast composition and breast cancer risk among Japanese women: a retrospective cohort study
BackgroundMammographic breast composition is associated with breast cancer risk. However, evidence in a Japanese cohort investigating this...
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Factors associated with incidence of acute kidney injury: a Japanese regional population-based cohort study, the Shizuoka study
BackgroundAcute kidney injury (AKI) is a globally critical issue. Most studies about AKI have been conducted in limited settings on perioperative or...
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Obstetric admission to intensive care units in Japan: a cohort study using the Japanese Intensive care PAtient Database
PurposeThis study aimed to describe the epidemiology and annual trends of obstetric patients using a multicenter intensive care database.
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Impact of respiratory bacterial infections on mortality in Japanese patients with COVID-19: a retrospective cohort study
BackgroundAlthough cases of respiratory bacterial infections associated with coronavirus disease 2019 (COVID-19) have often been reported, their...
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Syndecan-1 as a prognostic biomarker in COVID-19 patients: a retrospective study of a Japanese cohort
BackgroundThe coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has had a...
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Comparison of proton-based definitive chemoradiotherapy and surgery-based therapy for esophageals cell carcinoma: a multi-center retrospective Japanese cohort study
BackgroundProton-based, definitive chemoradiotherapy (P-CRT) for esophageal squamous cell carcinoma (ESCC) previously showed comparable survival...
