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首页> 外文期刊>Asia Pacific journal of clinical nutrition >Urine color for assessment of dehydration among college men students in Hebei, China - a cross-sectional study
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Urine color for assessment of dehydration among college men students in Hebei, China - a cross-sectional study

机译：河北省大学生学生脱水尿液颜色 - 横断面研究

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Background and Objectives: To examine the association between quantified urine color and urine osmolality, and its validity in distinguishing hydration status among college men in Hebei, China. Methods and Study Design: Sixty-eight college men aged 18 similar to 25 years completed a cross-sectional study. All participants were asked to complete a 24-h fluid intake record to estimate fluid intake from beverages after anthropometric measurements. The foods eaten by participants were weighed to assess fluid intake from foods. All urine samples for the day were collected by participants to determine urine osmolality and urine color by chromatogram spectrophotometry (in accord with the Commission Internationale de l'Eclarige (CIE) notation L*a*b*). Results: A total 413 urine samples from 68 participants were collected and 151 (36.6%) samples indicated dehydration according to urine osmolality. The dehydrated group versus hydrated group had a smaller urine color L* (94.88 vs 98.06) and a* (-2.39 vs -1.91), bigger b* (30.41 vs 15.15), and higher osmolality (958 mOsm/kg vs 486 mOsm/kg). Urine color and osmolality were closely correlated, especially for b* (0.86, p<0.0001). The percentage variance in urine osmolality (R-2) explained by a partial least squares (PLS) model was 79%. Urine color b* contributed most substantially to the PLS model, with variable importance for projection of 1.35. The cutoff for b* for adequate hydration was 17.78 (area under the curve=0.899). Conclusions: Differences in urine color between dehydrated and hydrated status related to urine osmolality. Urine color quantification is a reliable method to assess hydration status among young Chinese men.
机译：背景和目标：检查量化的尿液和尿液渗透渗透渗透渗透性的关联，及其在河北省大学男子中保湿地位的有效性。方法和学习设计：六十八岁的大学男子，年龄18岁，类似于25年完成横断面研究。要求所有参与者完成24小时液体进气记录以在人体测量测量后估算饮料的流体摄入量。称重参与者吃的食物以评估食物的流体摄入量。当天的所有尿样由参与者收集，通过色谱分光光度法测定尿液渗透压和尿液（符合委员会Internationale de L'Enlarige（CIE）表示法L * A * B *）。结果：收集来自68名参与者的413个尿液样品，并根据尿液渗透压表明脱水，151例（36.6％）。脱水基团与水合基团具有较小的尿液L *（94.88 vs 98.06）和A *（-2.39 Vs -1.91），更大的B *（30.41 Vs 15.15），更高的渗透压（958 mOSm / kg与486 mosm /公斤）。尿液颜色和渗透压密切相关，特别是B *（0.86，P <0.0001）。由部分最小二乘（PLS）模型解释的尿液渗透压（R-2）的百分比差异为79％。尿Color B *最基本地贡献到PLS模型，具有1.35的投影的可变重要性。 B *用于足够水合的截止值为17.78（曲线下面积= 0.899）。结论：尿液渗透压脱水和水合状态之间尿液之间的差异。尿液量化是一种可靠的方法，用于评估年轻中国男性中的水合状态。

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