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Markers of hydration status


Many indices have been investigated to establish their potential as markers of hydration status. Body mass changes, blood indices, urine indices and bioelectrical impedance analysis have been the most widely investigated. The current evidence and opinion tend to favour urine indices, and in particular urine osmolality, as the most promising marker available.

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Guarantor: SM Shirreffs.

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Correspondence to S M Shirreffs.

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Shirreffs, S. Markers of hydration status. Eur J Clin Nutr 57 (Suppl 2), S6–S9 (2003).

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  • hydration status
  • water balance
  • euhydration
  • hypohydration

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