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Title: Spot urine tests in predicting 24-hour urine sodium excretion in asian patients
Authors: Subramanian, S.
Teo, B.W.
Toh, Q.C.
Koh, Y.Y.
Li, J. 
Sethi, S.
Lee, E.J.C.
Issue Date: Nov-2013
Citation: Subramanian, S., Teo, B.W., Toh, Q.C., Koh, Y.Y., Li, J., Sethi, S., Lee, E.J.C. (2013-11). Spot urine tests in predicting 24-hour urine sodium excretion in asian patients. Journal of Renal Nutrition 23 (6) : 450-455. ScholarBank@NUS Repository.
Abstract: Objective: The control of hypertension is often suboptimal, and it is frequently due to excessive sodium intake. Monitoring sodium intake is cumbersome and involves 24-hour collection of urine. We hypothesize that a spot urine test can accurately predict 24-hour urine sodium excretion in an Asian population. Design: This is a prospective, observational study. We used stored urine specimens (n = 333) from the Asian Kidney Disease Study and Singapore Kidney Function Study Phase I. We measured spot urine tests and correlated these variables to the previously measured 24-hour urine sodium measurements. Results: Age, gender, ethnicity, diastolic blood pressure, height, weight, body mass index, serum creatinine, spot urine sodium, spot urine chloride, and spot urine osmolality were associated with 24-hour urine sodium excretion. The final model for predicting 24-hour urine sodium less than 100 mmol included age, gender, ethnicity, weight, and spot urine sodium. Conclusion: Spot urine sodium can help monitor a patient's sodium intake when used in the derived 5-variable equation. © 2013 National Kidney Foundation, Inc.
Source Title: Journal of Renal Nutrition
ISSN: 10512276
DOI: 10.1053/j.jrn.2012.12.004
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