Fig. 4

(A) Incidence of hypohydration for different age groups when urine osmolality is corrected according to Manz and Wentz [29]. (B) Incidence of low urine output when urine osmolality is corrected by 2.9 mosmol/kg per year in participants aged > 40 years. The cutoff for low urine output was 760 mosmol/kg after correction. The number of participants is the same as in Fig. 2A