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Abstract：
Abnormal serum phosphorus is a concern for adults undergoing dialysis due to the risk for mortality and morbidity. General recommendations for maintaining serum phosphorus within normal limits is monitoring dietary intake of phosphorus and taking phosphate binders, as prescribed. However, limited research is available about adults\' phosphorus knowledge and dietary intake of phosphorus. The purpose of this cross-sectional study was to determine the association between phosphorus knowledge and dietary intake of phosphorus of adults on dialysis. An online Qualtrics survey was conducted during February-September 2023. Participants (n = 107) responded to the 74-item questionnaire (30-day food frequency questionnaire, phosphorus knowledge questionnaire, and demographic questions). Analysis included frequencies, descriptive statistics, t-tests, and Spearman correlations. JMP SAS v16 was used with a statistical significance of p < 0.05. Of the participants, 57.0% (n = 61) were on peritoneal dialysis and 43.0% (n = 46) were on hemodialysis. Average phosphorus knowledge score was 10.6 ± 3.0 out of 19 or 55.8%, with those on peritoneal dialysis having lower scores (54.7%) compared to participants on hemodialysis (58.1%) (p < 0.05). The daily average dietary phosphorus intake was 605 ± 297 mg. Participants on peritoneal dialysis consumed more phosphorus (625 mg) compared to participants on hemodialysis (576 mg) (p < 0.05). There was no association with phosphorus knowledge scores and dietary intake of phosphorus. There were positive correlations between discussing about phosphorus, knowing serum phosphorus concentration, and phosphorus knowledge scores. These results can aid practitioners in providing tailored nutrition education among adults on dialysis.
摘要：
由于存在死亡率和发病率的风险，血清磷异常是进行透析的成年人的关注点。将血清磷维持在正常范围内的一般建议是监测饮食中的磷摄入量和服用磷酸盐结合剂，按规定。然而,关于成年人磷知识和饮食磷摄入量的研究有限。这项横断面研究的目的是确定透析成人的磷知识与饮食磷摄入量之间的关系。在2023年2月至9月期间进行了在线Qualtrics调查。参与者(n=107)回答了74项问卷(30天食物频率问卷，磷知识问卷,和人口统计问题)。分析包括频率，描述性统计，t检验,和斯皮尔曼相关性。使用JMPSASv16,统计学意义为p<0.05。在参与者中，57.0％（n=61）进行腹膜透析，43.0％（n=46）进行血液透析。磷知识平均得分为10.6±3.0，占19分或55.8%，与接受血液透析的参与者（58.1%）相比，接受腹膜透析的参与者得分较低（54.7%）（p<0.05）。日平均膳食磷摄入量为605±297mg。与血液透析参与者（576mg）相比，腹膜透析参与者消耗更多的磷（625mg）（p<0.05）。与磷知识得分和饮食磷摄入量无关。关于磷的讨论之间存在正相关关系，知道血清磷浓度，和磷知识得分。这些结果可以帮助从业者在成人透析中提供量身定制的营养教育。
