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Individuality and responsiveness of biochemical indices of dehydration in hospitalized elderly patients

1998; Oxford University Press; Volume: 27; Issue: 3 Linguagem: Inglês

10.1093/ageing/27.3.311

1468-2834

Marcel G. M. Olde Rikkert, Martin A. van’t Hof, HENK BADDENHUYSEN, W.H.L. Hoefnagels,

Thermoregulation and physiological responses

Background:dehydration is common in elderly patients, but difficult to detect, by either an initial assessment of fluid balance or by monitoring fluid balance over time. In clinical chemistry, population-based reference ranges are only of value for monitoring individual patients if within-subject variability in serial test results over time is larger than between-subject variability. This may have important implications in monitoring fluid balance.