Table 3.

Comparison of dietary data obtained from 24-h urine in patients with validated 24-h urine collections (n = 168).

Dietary Data	Visit 1	Visit 2	Visit 3	p-Value
Urine volume (mL/day)	2175 (1716–2700)	2203 (1639–2743)	2159 (1778–2794)	0.80
Estimated sodium chloride intake (g/day)	8.3 (6–10.8)	7.8 (5.4–10.7)	7.7 (5.8–9.6)	0.25
Estimated protein intake (g/kg/day)	1.29 (1.05–1.47)	1.23 (0.96–1.42)	1.18 (0.95–1.41)	0.02
Estimated Osmole intake (osm/day)	779.9 (655–935)	745.2 (592–889)	740.4 (616–857)	0.006
Phosphate excretion (mmol/day)	20.1 (14.9–27.8)	20.5 (13.3–30.4)	20.1 (14.4–27.6)	0.18
Calcium excretion (mmol/day)	1.47 (0.81–2.78)	1.52 (0.66–2.80)	1.33 (0.61–2.53)	0.03
Ammonium excretion (mmol/day)	20.2 (13.1–31.7)	18.3 (11.1–27.3)	17.6 (11.3–26.5)	0.004