Afternoon urine osmolality is equivalent to 24 h for hydration assessment in healthy children.
HyunGyu SuhLynnDee G SummersAdam D SealAbigail T ColburnAndy MauromoustakosErica T PerrierJeanne H BottinStavros A KavourasPublished in: European journal of clinical nutrition (2019)
These data suggest that in free-living healthy children, 24-h urine concentration may be approximated from a late afternoon spot urine sample. This data will have practical implication for health care professionals and researchers.