Assessment of Sodium and Potassium Intakes in Children Aged 6 to 18 Years by 24 h Urinary Excretion in City of Rabat, Morocco

Table 2

Urinary sodium and potassium excretion according to the sex.

	Total ()		Boys ()		Girls ()		value
	Mean ± SD	Median (interquartile range)	Mean ± SD	Median (interquartile range)	Mean ± SD	Median (interquartile range)
Sodium (mg/d)	2235.3 ± 823.2	2094.2 (1640.3, 2498.0)	2184.3 ± 783.3	2057.0 (1600.0, 2462.5)	2290.3 ± 867.2	2138.0 (1765.3, 2669.1)	0.4
Potassium (mg/d)	1431 ± 636.5	1251.6 (994.3, 1813.0)	1469.4 ± 721.3	1217.7 (902.9, 1940.6)	1389.5 ± 532.8	1288.3(1022.6, 1288.3)	0.47
Sodium-to-potassium ratio	1.7 ± 0.7	1.7 (1.2, 2.1)	1.7 ± 0.7	1.6 (1.2, 2.03)	1.8 ± 0.7	1.7 (1.2, 2.2)	0.4
Salt (mg/d)	5667.9 ± 2077.7	5316.3 (4166.4, 6345.0)	5548.3 ± 1989.6	5224.7 (4063.9, 6254.7)	5797.0 ± 2177.5	5430.6 (4483.8, 6779.4)	0.5
Creatinine (mg/d)	852.8 ± 352.7	842 (620, 1020)	853.4 ± 324.4	866 (609.5, 1010.3)	852.1 ± 329.7	789 (621, 1058)	0.9
Volume (ml/d)	0.8 ± 0.4	0.8 (0.7, 1.1)	0.9 ± 0.4	0.8 (0.6, 1.01)	0.9 ± 0.3	0.8 (0.7, 1.0)	0.3

Variables are not normally distributed (Kolmogorov–Smirnov test). values by one-way ANOVA for means or Mann–Whitney U test for medians.