Twenty-Four-Hour Urine Osmolality as a Physiological Index of Adequate Water Intake

Figure 3

(a) Mean (95% CI) 24 h urine osmolality and (b) proportion of urine osmolality measures above (light grey) and below (dark grey) 500 mOsm·kg⁻¹ according to urine volume categories reported by Clark et al. [7].

(a)

(b)