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  1. Interaction between functional capability and sleep quality at midterm after total knee arthroplasty: a Japanese retrospective cohort study

    No report has clarified the frequency and interacting factors affecting sleep disturbance among Asian patients at midterm after total knee...

    Satoshi Hamai, Satoru Harada, ... Yasuharu Nakashima in Scientific Reports
    Article Open access 26 October 2023
  2. 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...

    Masanori Nakayama, Takefumi Furuya, ... Masayoshi Harigai in Clinical Rheumatology
    Article 21 September 2023
  3. Gastrointestinal symptoms in COVID-19 and disease severity: a Japanese registry-based retrospective cohort study

    Background

    Research on whether gastrointestinal symptoms correlate with the severity of Coronavirus Disease 2019 (COVID-19) has been inconclusive....

    Yuta Matsubara, Hiroki Kiyohara, ... Takanori Kanai in Journal of Gastroenterology
    Article 25 January 2024
  4. Impact of dietary habits on renal function in Saku, a rural Japanese town: a cohort study

    Background

    High protein intake leads to a decline in renal function in the advanced stages of chronic kidney disease (CKD). An effective diet for...

    Keika Adachi, Marie Yasuda, ... Hiroshi Itoh in Clinical and Experimental Nephrology
    Article 12 March 2024
  5. Association between dry eye and periodontal disease in community-dwelling Japanese adults: data from the Uonuma cohort study

    Background

    While research has explored the risk of periodontal disease in various eye conditions, the link between dry eye and periodontal disease...

    Kaung Myat Thwin, Noboru Kaneko, ... Hiroshi Ogawa in BMC Oral Health
    Article Open access 08 January 2024
  6. Case volume and specialization in critically ill emergency patients: a nationwide cohort study in Japanese ICUs

    Background

    Previous studies have explored the association between the number of cases and patient outcomes for critical illnesses such as sepsis and...

    Jun Fu**aga, Takanao Otake, ... Toshio Fukuoka in Journal of Intensive Care
    Article Open access 17 May 2024
  7. Preconception underweight impact on postnatal osteoporotic fracture: a retrospective cohort study using Japanese claims data

    Background

    Undernutrition and underweight are osteoporosis risk factors. Therefore, improving the health of underweight young women in Japan is an...

    Kayoko Kaneko, Maiko Suto, ... Kenji Takehara in BMC Pregnancy and Childbirth
    Article Open access 25 April 2024
  8. Evaluating the association between caesarean delivery and weight status in early childhood in a Japanese birth cohort study

    To examine whether the prevailing hypothesis of an association between caesarean section (CS) delivery method and increased weight status in early...

    Chiharu Miyayama, Naho Morisaki, ... Kevin Y. Urayama in Scientific Reports
    Article Open access 10 November 2023
  9. 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

    Objectives

    Few prospective cohort studies have evaluated the relationship between dairy product intake frequency and risk of osteoporotic fractures in...

    A. Kojima, K. Kamiya, ... M. Iki in The journal of nutrition, health & aging
    Article 10 March 2023
  10. Association Between Body Image Before and During Pregnancy and Gestational Weight Gain in Japanese Women: A Prospective Cohort Study

    Objectives

    More than half of women do not achieve appropriate gestational weight gain. Maternal body image may be an important factor associated with...

    Mie Shiraishi, Yuki Kurashima, Rio Harada in Maternal and Child Health Journal
    Article Open access 05 December 2023
  11. 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...

    Ryosuke Fujii, Asahi Hishida, ... Chihaya Koriyama in Hypertension Research
    Article 03 July 2024
  12. Development and validation of genome-wide polygenic risk scores for predicting breast cancer incidence in Japanese females: a population-based case-cohort study

    Purpose

    This study aimed to develop an ancestry-specific polygenic risk scores (PRSs) for the prediction of breast cancer events in Japanese females...

    Hiroyuki Ohbe, Tsuyoshi Hachiya, ... Motoki Iwasaki in Breast Cancer Research and Treatment
    Article 20 December 2022
  13. Safety and Effectiveness of Apixaban Versus Warfarin in Japanese Patients with Nonvalvular Atrial Fibrillation Stratified by Renal Function: A Retrospective Cohort Study

    Background

    We previously conducted a retrospective cohort study using chart review of oral anticoagulant-naïve Japanese patients with nonvalvular...

    Takeshi Morimoto, Haruhiko Hoshino, ... Yukihiro Koretsune in American Journal of Cardiovascular Drugs
    Article Open access 17 October 2023
  14. Twenty-year prospective cohort study of the association between a Japanese dietary pattern and incident dementia: the NILS-LSA project

    Purpose

    Evidence has suggested that adherence to a Japanese diet may be beneficial for health. However, its association with incident dementia remains...

    Shu Zhang, Rei Otsuka, ... Hidenori Arai in European Journal of Nutrition
    Article Open access 17 February 2023
  15. 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-abstract

    Reports on the association between vitamin D levels and fall risk have been mixed, and long-term follow-up studies are lacking. This...

    Toshi Nishikura, Kaori Kitamura, ... Kazutoshi Nakamura in Archives of Osteoporosis
    Article 03 April 2024
  16. 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...

    Hirohiko Shibayama, Mitsuhiro Itagaki, ... Shinsuke Iida in International Journal of Hematology
    Article Open access 29 March 2024
  17. Positive association between blood glucose in physical examinations and self-reported fractures among middle-aged and elderly Japanese men: a prospective cohort study

    Summary

    The association between blood glucose and fractures is not consistent across populations. Blood glucose was associated with fractures five...

    Makoto Sunayama, Takeshi Nishiyama, ... Sadao Suzuki in Archives of Osteoporosis
    Article 24 January 2024
  18. Dietary patterns associated with the incidence of hypertension among adult Japanese males: application of machine learning to a cohort study

    Purpose

    The previous studies that examined the effectiveness of unsupervised machine learning methods versus traditional methods in assessing dietary...

    Longfei Li, Haruki Momma, ... Ryoichi Nagatomi in European Journal of Nutrition
    Article Open access 25 February 2024
  19. Association between 1-year changes in urinary albumin-to-creatinine ratio and kidney disease progression in Japanese individuals with diabetes: a historical cohort study

    Background

    The National Kidney Foundation recently proposed a ≥ 30% decrease in urinary albumin–to–creatinine ratio (UACR) over 0.5–2 years as a...

    Tetsuya Babazono, Ko Hanai, ... Kazuhisa Uchiyama in Clinical and Experimental Nephrology
    Article Open access 22 August 2023
  20. Association between mammographic breast composition and breast cancer risk among Japanese women: a retrospective cohort study

    Background

    Mammographic breast composition is associated with breast cancer risk. However, evidence in a Japanese cohort investigating this...

    Toshifumi Namba, Naoko Matsuda, ... Hiroko Tsunoda in Breast Cancer
    Article 13 July 2022
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