Validation and Assessment of Three Methods to Estimate 24-h Urinary Sodium Excretion from Spot Urine Samples in Chinese Adults
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{"title"=>"Validation and assessment of three methods to estimate 24-h urinary sodium excretion from spot urine samples in Chinese adults", "type"=>"journal", "authors"=>[{"first_name"=>"Yaguang", "last_name"=>"Peng", "scopus_author_id"=>"55309002800"}, {"first_name"=>"Wei", "last_name"=>"Li", "scopus_author_id"=>"56179422700"}, {"first_name"=>"Yang", "last_name"=>"Wang", "scopus_author_id"=>"55503542700"}, {"first_name"=>"Hui", "last_name"=>"Chen", "scopus_author_id"=>"56967338600"}, {"first_name"=>"Jian", "last_name"=>"Bo", "scopus_author_id"=>"22978267400"}, {"first_name"=>"Xingyu", "last_name"=>"Wang", "scopus_author_id"=>"55736919100"}, {"first_name"=>"Lisheng", "last_name"=>"Liu", "scopus_author_id"=>"7405259104"}], "year"=>2016, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84960883977", "pmid"=>"26895296", "pui"=>"608920682", "scopus"=>"2-s2.0-84960883977", "doi"=>"10.1371/journal.pone.0149655", "issn"=>"19326203"}, "id"=>"833a45ea-82e8-34b3-bf15-718f7273f860", "abstract"=>"24-h urinary sodium excretion is the gold standard for evaluating dietary sodium intake, but it is often not feasible in large epidemiological studies due to high participant burden and cost. Three methods--Kawasaki, INTERSALT, and Tanaka--have been proposed to estimate 24-h urinary sodium excretion from a spot urine sample, but these methods have not been validated in the general Chinese population. This aim of this study was to assess the validity of three methods for estimating 24-h urinary sodium excretion using spot urine samples against measured 24-h urinary sodium excretion in a Chinese sample population. Data are from a substudy of the Prospective Urban Rural Epidemiology (PURE) study that enrolled 120 participants aged 35 to 70 years and collected their morning fasting urine and 24-h urine specimens. Bias calculations (estimated values minus measured values) and Bland-Altman plots were used to assess the validity of the three estimation methods. 116 participants were included in the final analysis. Mean bias for the Kawasaki method was -740 mg/day (95% CI: -1219, 262 mg/day), and was the lowest among the three methods. Mean bias for the Tanaka method was -2305 mg/day (95% CI: -2735, 1875 mg/day). Mean bias for the INTERSALT method was -2797 mg/day (95% CI: -3245, 2349 mg/day), and was the highest of the three methods. Bland-Altman plots indicated that all three methods underestimated 24-h urinary sodium excretion. The Kawasaki, INTERSALT and Tanaka methods for estimation of 24-h urinary sodium excretion using spot urines all underestimated true 24-h urinary sodium excretion in this sample of Chinese adults. Among the three methods, the Kawasaki method was least biased, but was still relatively inaccurate. A more accurate method is needed to estimate the 24-h urinary sodium excretion from spot urine for assessment of dietary sodium intake in China.", "link"=>"http://www.mendeley.com/research/validation-assessment-three-methods-estimate-24h-urinary-sodium-excretion-spot-urine-samples-chinese-2", "reader_count"=>15, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Researcher"=>1, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>1, "Other"=>3, "Student > Master"=>2, "Student > Bachelor"=>2, "Professor"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Researcher"=>1, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>1, "Other"=>3, "Student > Master"=>2, "Student > Bachelor"=>2, "Professor"=>1}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Environmental Science"=>1, "Nursing and Health Professions"=>4, "Agricultural and Biological Sciences"=>4, "Medicine and Dentistry"=>3, "Chemistry"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>3}, "Chemistry"=>{"Chemistry"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>4}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>4}, "Unspecified"=>{"Unspecified"=>2}, "Environmental Science"=>{"Environmental Science"=>1}}, "reader_count_by_country"=>{"Greece"=>1, "Thailand"=>1}, "group_count"=>0}

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/4228237"], "description"=>"<p>Characteristic of participants (n = 116).</p>", "links"=>[], "tags"=>["mg", "Spot Urine Samples", "morning fasting urine", "INTERSALT", "sodium intake", "sodium excretion", "CI", "spot urine samples", "Prospective Urban Rural Epidemiology", "Kawasaki method", "Chinese sample population", "spot urine sample", "PURE"], "article_id"=>2582350, "categories"=>["Biochemistry", "Medicine", "Cell Biology", "Physiology", "Biotechnology", "Environmental Sciences not elsewhere classified", "Chemical Sciences not elsewhere classified", "Biological Sciences not elsewhere classified", "Mathematical Sciences not elsewhere classified", "Marine Biology"], "users"=>["Yaguang Peng", "Wei Li", "Yang Wang", "Hui Chen", "Jian Bo", "Xingyu Wang", "Lisheng Liu"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0149655.t002", "stats"=>{"downloads"=>1, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Characteristic_of_participants_n_116_/2582350", "title"=>"Characteristic of participants (n = 116).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2016-02-19 14:39:10"}
  • {"files"=>["https://ndownloader.figshare.com/files/4228222"], "description"=>"<p><b>Scatter plots measured 24-h urine sodium excretion (USE) vs. Kawasaki (A), INTERSALT (B), and Tanaka (C) method estimated 24-h USE (mg/d).</b> The hollow circles were scatter points of measured and estimated values. The real line was the linear regression line of the scatters in the plots. The dash lines were the 95% CI lines of predicted mean.</p>", "links"=>[], "tags"=>["mg", "Spot Urine Samples", "morning fasting urine", "INTERSALT", "sodium intake", "sodium excretion", "CI", "spot urine samples", "Prospective Urban Rural Epidemiology", "Kawasaki method", "Chinese sample population", "spot urine sample", "PURE"], "article_id"=>2582335, "categories"=>["Biochemistry", "Medicine", "Cell Biology", "Physiology", "Biotechnology", "Environmental Sciences not elsewhere classified", "Chemical Sciences not elsewhere classified", "Biological Sciences not elsewhere classified", "Mathematical Sciences not elsewhere classified", "Marine Biology"], "users"=>["Yaguang Peng", "Wei Li", "Yang Wang", "Hui Chen", "Jian Bo", "Xingyu Wang", "Lisheng Liu"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0149655.g001", "stats"=>{"downloads"=>1, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Validation_and_Assessment_of_Three_Methods_to_Estimate_24_h_Urinary_Sodium_Excretion_from_Spot_Urine_Samples_in_Chinese_Adults_Fig_1/2582335", "title"=>"Validation and Assessment of Three Methods to Estimate 24-h Urinary Sodium Excretion from Spot Urine Samples in Chinese Adults - Fig 1", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2016-02-19 14:39:10"}

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Relative Metric

{"start_date"=>"2016-01-01T00:00:00Z", "end_date"=>"2016-12-31T00:00:00Z", "subject_areas"=>[]}
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