Publications by authors named "Renying Xu"

Purpose: We aim to evaluate the effects of partial meal replacement (MR) with different timing of MR on body weight in Chinese adults.

Methods: A multicenter open-labeled, randomized, parallel study was performed. Participants were randomly assigned to receive partial MR at breakfast and lunch or breakfast and dinner for 16 weeks.

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Background: This is a retrospective study to identify if Glasgow Prognostic Score (GPS) is associated with length of hospital stay (LOS) in haematological cancer.

Methods: The participants were adult inpatients at a single centre in between 2018 and 2022. Serum levels of CRP and albumin were measured at admission.

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Article Synopsis
  • The study assesses the impact of serum albumin levels on hospital outcomes for cancer patients, suggesting its importance may be overlooked.
  • Researchers analyzed data from over 5,000 hospitalized cancer patients, finding that low albumin levels (hypoalbuminemia) were linked to longer hospital stays and higher mortality risks.
  • Specifically, for every 5 g/L increase in albumin, hospital stays were shorter by about 1 day and mortality risk decreased by 45%.
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Background: Data is limited on the prevalence of hypophosphatemia in general hospitalized patients, and its association with length of hospital stay (LOS) and mortality remained unclear. We aimed to investigate the prevalence of admission phosphate abnormality and the association between serum phosphate level and length of hospital stay and all-cause mortality in adult patients.

Methods: This was a multi-center retrospective study based on real-world data.

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Objectives: This study aimed to fill the data gap of the course of renal function decline in old age and explore changes in renal function across different health states with increasing age.

Methods: This observational, retrospective, single-center cohort study included 5,112 Chinese older adults (3,321 men and 1,791 women, range 60-104 years). The individual rate of estimated glomerular filtration rate (eGFR) decline was analyzed using linear mixed-effects model to account for repeated measures over the years.

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Background And Objectives: Patients with inflammatory bowel disease (IBD) are more likely to be confirmed with vitamin D deficiency. However, the association between inflammation and vitamin D remains unclear. The purpose of this study was to evaluate the association between inflammation and vitamin D in hospitalized patients with IBD.

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Background And Objectives: Both hypoalbuminemia and inflammation were common in patients with inflammatory bowel diseases (IBD), however, the combination of the two parameters on hospital duration re-mained unknown.

Methods And Study Design: This is a retrospective two-centre study performed in two tertiary hospitals in Shanghai, China. Serum levels of C-Reactive Protein (CRP) and albumin (ALB) were measured within 2 days of admission.

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Background And Aims: We aimed to examine the association between nutritional status, assessed by height/length and body weight for age and sex, and Epstein-Barr virus (EBV) viremia in children underwent liver transplantation.

Methods: Nutritional status was determined by total score of age- and sex-specific height/length and body weight: < (-2 SD) as "2 points", (-2 SD to -1 SD) as "1 point", and ≥ (-1SD) as "0 point". Children were further classified into three groups: malnutrition (4 points), risk of malnutrition (1-3 points), and normal (0 point).

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Objective: The association between vitamin D status and inflammation remains unclear in hospitalized patients.

Materials And Methods: We performed the current study based on real-world data from two teaching hospitals. Serum level of vitamin D (assessed by 25-hydroxyvitamin D) was evaluated within 2 days after admission.

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Background: A commercial three-dimensional optical (3DO) scanning system was reported to be used in body composition assessment. However, the applicability in Chinese adults has yet to be well-studied.

Methods: This secondary analysis was based on a 16-week weight-loss clinical trial with an optional extension to 24 weeks.

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Objective: Weight reduction often accompanies muscle loss. Existing studies highlight the involvement of osteocalcin (OC) in energy metabolism and its potential to prevent age-related muscle loss. Nevertheless, these studies predominantly involve individuals with hyperglycemia, yielding conflicting research outcomes.

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Background: The impact of quarantine-induced changes in dietary behavior on weight gain remained unclear. This study aimed to evaluate the association between changes in dietary behavior and body weight during quarantine and to identify the risk factors of weight gain.

Methods: This was a pilot observational cross-sectional study.

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Background And Aims: Dyslipidemia is obviously an important risk factor for cardiovascular diseases, which might further lead to disability and death in aged population. We thus performed the current study to evaluate the association between chronological age and dyslipidemia.

Subjects And Methods: A total number of 59,716 Chinese aged population (31,174 men and 28,542 women, average age 67.

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Background And Objective: Patients on parenteral nutrition (PN) are at high risk of both liver and pancreatic injury. More efforts were focused on liver, however, limited data is available to evaluate the effects of PN on pancreas. Thus, we performed a retrospective observational study to evaluate the association between PN and pancreatic injury in Chinese adult patients.

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Article Synopsis
  • The study examined the link between inflammation and carotid artery plaque (CAP) in 8050 metabolically healthy individuals of normal weight, comprising 2613 men and 5437 women, aged around 40.5 years.
  • Inflammation was assessed using three markers: serum hs-CRP, white blood cell count, and neutrophil-to-lymphocyte ratio, with ultrasound imaging used to detect CAP.
  • Results showed that high levels of hs-CRP were significantly associated with an increased risk of CAP, indicating that inflammation plays a role in developing artery plaque even in healthy-weight people without metabolic diseases.
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Background: Body mass index (BMI) is the most widely used parameter to assess the body weight status. Both the increase of BMI (overweight and obesity) and decrease of BMI (underweight) has been associated with high risk of adverse outcome, such as stroke, disability, and even death. However, recent data on secular differences in BMI in the Chinese aged population are limited.

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Objective: Hypophosphatemia might cause respiratory and heart failure and even death. We aimed to evaluate risk factors for hypophosphatemia and refeeding-related hypophosphatemia in patients requiring parental nutrition (PN).

Methods: This was a single-center, retrospective study.

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Whether paternal epigenetic changes resulting from nutrition might be inherited by their offspring remains unknown. This study evaluated the relationship between preconception paternal body weight and their offspring's birth weight in 1,810 Chinese mother-father-baby trios. Information on paternal and maternal preconception body weight and height was collected via a self-reported questionnaire.

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Objective: We aimed to evaluate the association between the shift of metabolic status and future risk of carotid artery plaque (CAP) in community-based Chinese adults.

Methods: The current study included 9836 Chinese adults (4085 males and 5751 females, mean age 35.8 years) with metabolically healthy status at baseline (2013).

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Background: Biomarkers to prognosticate the outcomes and guide the treatment of patients with severe coronavirus disease 2019 (COVID-19) are currently required. We aimed to investigate whether the dynamic variation of cytokines was associated with the survival of patients admitted to the intensive care unit (ICU).

Methods: A retrospective study was performed on 40 patients with COVID-19 admitted to the ICU in Wuhan, China.

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Background And Aims: We performed the current study to evaluate the association between dynamic change in estimated glomerular filtration rate (eGFR) and the risk of carotid artery plaque (CAP) in a community-based population.

Methods And Results: A total number of 37,093 Chinese adults (21,790 men and 15,303 women, aged 42.6 ± 11.

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Objective: We performed the cohort study to evaluate the association between BMI, high-sensitivity C-reactive protein (hs-CRP) and the conversion from metabolically healthy to unhealthy phenotype in Chinese adults.

Design: Metabolically healthy was defined as participants without history of metabolic diseases and with normal fasting blood glucose level, glycated Hb A1c level, blood pressure, lipid profile, serum uric acid level and liver ultrasonographic findings at baseline. Participants were either classified into normal weight (18·5 ≤ BMI < 24·0 kg/m2) and overweight (BMI ≥ 24·0 kg/m2) based on baseline BMI, or low (<1 mg/l) and high (≥1 mg/l) groups based on baseline hs-CRP.

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