Chronic kidney disease under non-dialysis dependent, haemodialysis, peritoneal dialysis and kidney transplant treatment: body composition data

This is a dataset of body composition in chronic kidney disease (CKD) non-dialysis-dependent (NDD), hemodialysis (HD) and peritoneal dialysis (PD) (for at least 3 months), and kidney transplantation (KTx) (for at least 6 months) patients. The data were collected as part of a PhD research project, an observational cross-sectional study followed by a prospective analysis (6 months later). Adult CKD patients (18≤age≤60 years old) from a tertiary hospital were recruited: CKD in stages 3b to 5 for NDD patients; PD patients without peritonitis in the last 30 days; HD patients in 4-hour dialysis session, 3 times per week, through an arteriovenous fistula; and KTx patients with CKD in stages 1 to 3a. Patients with presence of amputated limbs or an electronic implant, wheelchair user or inpatient, body weight above 140 kg or BMI higher than 40 kg/m2, acute infections, cancer diagnosis, acquired immunodeficiency syndrome, and others that could alter body composition were excluded. The dataset in this publication consist of some clinical measurements for characterization of the sample, body composition measurements by Dual-energy X-ray absorptiometry and by bioelectrical impedance spectroscopy in tetra-polar whole-body wrist to ankle (BISWB) and segmental (BISSEG) protocol of 266 CKD patients, being 137 men and 129 women; 81 in NDD treatment, 83 in HD, 24 in PD, and 80 in KTx. Measurements were performed consecutively by the same professional after an 8-hour fast, empty urinary bladder, drainage of the peritoneal dialysate, and just after the midweek hemodialysis session. The data can be valuable in the study of body composition in CKD under all types of treatment and also for agreement analysis among body composition measurements by different instruments and techniques. The data are analysed and interpreted in the research article Bellafronte et al. Comparison between dual-energy x-ray absorptiometry and bioelectrical impedance for body composition measurements in adults with chronic kidney disease: a cross-sectional, longitudinal and multi-treatment analysis, 2020, Nutrition. In press.本数据集涵盖慢性肾脏病（chronic kidney disease, CKD）非透析依赖（non-dialysis-dependent, NDD）、血液透析（hemodialysis, HD）、腹膜透析（peritoneal dialysis, PD，透析时长至少3个月）以及肾移植（kidney transplantation, KTx，移植时长至少6个月）患者的身体成分相关数据。 本数据源自一项博士研究项目，该项目为观察性横断面研究，后续同步开展了6个月的前瞻性分析。 研究招募了某三级医院的成年CKD患者（年龄18~60岁），其中非透析依赖患者为CKD 3b~5期；腹膜透析患者需近30天无腹膜炎发作；血液透析患者采用每周3次、每次4小时的动静脉内瘘透析方案；肾移植患者为CKD 1~3a期。 存在肢体截肢、电子植入物、依赖轮椅或住院状态、体重大于140kg或体质量指数（BMI）高于40kg/m²、急性感染、恶性肿瘤诊断、获得性免疫缺陷综合征，以及其他可能影响身体成分检测的患者均被排除。 本公开数据集包含266例CKD患者的样本特征临床测量数据、双能X线吸收法（dual-energy X-ray absorptiometry, DXA）身体成分测量数据，以及采用四极全身腕-踝生物电阻抗光谱法（bioelectrical impedance spectroscopy in tetra-polar whole-body wrist to ankle, BISWB）和节段式（segmental, BISSEG）检测方案的身体成分测量数据。其中男性137例、女性129例；非透析依赖组81例、血液透析组83例、腹膜透析组24例、肾移植组80例。 所有测量均由同一名专业人员连续完成，测量前受试者需禁食8小时、排空膀胱；腹膜透析患者需引流腹膜透析液，血液透析患者需在周中透析疗程结束后立即进行检测。 该数据集可用于各类治疗方式下CKD患者身体成分的相关研究，也可用于不同仪器与检测技术下身体成分测量结果的一致性分析。 本数据的分析与解读详见研究论文Bellafronte等人发表于《Nutrition》2020年的文章：*Comparison between dual-energy x-ray absorptiometry and bioelectrical impedance for body composition measurements in adults with chronic kidney disease: a cross-sectional, longitudinal and multi-treatment analysis*，该文章目前处于待刊（in press）状态。