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Association Between Fat Mass to Lean Body Mass Ratio and All-Cause Mortality Among Middle-Aged and Elderly Cancer Patients Without Obesity: A Multi-Center Observational Study in China

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机构: [1]Department of Clinical Nutrition, The First Hospital of Hebei Medical University, Shijiazhuang, China, [2]Hebei Province Key Laboratory of Nutrition and Health, Shijiazhuang, China, [3]Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, [4]Department of Gastrointestinal Surgery, Institute of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China, [5]Cancer Center, The First Hospital of Jilin University, Changchun, China, [6]Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, China, [7]Department of Nutrition, Daping Hospital and Research Institute of Surgery, Third Military Medical University, Chongqing, China, [8]Department of Gastrointestinal Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China, [9]Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Chinese Society of Nutritional Oncology, Beijing, China
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关键词: fat mass to lean body mass ratio percentage of body fat fat mass all-cause mortality elderly cancer patients

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ObjectiveWe aimed to investigate the association between fat mass to lean body mass ratio (RFL), percentage of body fat (PBF), and fat mass (FM) with mortality among middle-aged and elderly cancer patients without obesity. MethodsThis prospective hospital-based cohort study comprised 3,201 patients with stage I to IV cancer aged 40 years or above (mean age: 58 years for female patients and 61 years for male patients; mean length of follow-up was 1.67 years; the maximal follow-up length was 6.42 years). FM and PBF were measured by bioelectrical impedance analysis (BIA). Cox proportional hazard models were used, and adjusted hazard ratios (HRs) were estimated. ResultsWe revealed a significant association between RFL and all-cause mortality among men aged >= 60 years after adjusting for confounders. Compared with those in the lowest tertile of RFL, elderly men in the medium and highest tertile had a 35 and 34% lower hazard of death from any cause, respectively. After additionally adjusted for C-reaction protein (CRP), HRs of medium and high tertile of RFL became short of statistical significance [medium tertile: adjusted HRs (95% CI) = 0.74 (0.46, 1.20); highest tertile: adjusted HRs (95% CI) = 0.84 (0.53, 1.33)]. Among elderly women, RFL was significantly related to all-cause mortality only when the additional adjustment for CRP [medium tertile: adjusted HRs (95% CI) = 2.08 (1.08, 4.01); highest tertile: adjusted HRs (95% CI) = 0.90 (0.45, 1.81)]. No significant association between RFL and all-cause mortality was observed among female participants or male participants aged less than 60 years. ConclusionOur findings showed a significant non-linear association between RFL and all-cause mortality, which was observed only in elderly men, and might be attenuated by their inflammation state.

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出版当年[2023]版:
大类 | 2 区 农林科学
小类 | 3 区 营养学
最新[2025]版:
大类 | 2 区 农林科学
小类 | 3 区 营养学
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出版当年[2022]版:
Q2 NUTRITION & DIETETICS
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Q2 NUTRITION & DIETETICS

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第一作者机构: [1]Department of Clinical Nutrition, The First Hospital of Hebei Medical University, Shijiazhuang, China, [2]Hebei Province Key Laboratory of Nutrition and Health, Shijiazhuang, China,
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通讯机构: [1]Department of Clinical Nutrition, The First Hospital of Hebei Medical University, Shijiazhuang, China, [2]Hebei Province Key Laboratory of Nutrition and Health, Shijiazhuang, China, [8]Department of Gastrointestinal Surgery, Beijing Shijitan Hospital, Capital Medical University, Beijing, China, [9]Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Chinese Society of Nutritional Oncology, Beijing, China
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