borderline significancep = 0.072
The mean estimated 24 h urinary Na excretion (mmol/24 h) was lower in the intervention period with borderline significance (157.3 ± 35.3 vs. 160.8 ± 32.5, p = 0.072), and the K excretion (mmol/24 h) was significantly higher in the intervention period (40.0 ± 9.7 vs. 38.0 ± 8.5, p = 0.001).