Control group (n = 15)

p value

Intervention group (n = 23)

p value

Baseline

After 2 months

Baseline

After 2 months

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Sodium (g/day)

3.9 ± 1.8

3.8 ± 2.2

0.874

3.7 ± 1.5

3.7 ± 1.0

0.887

Potassium (g/day)

1.3 ± 0.4

1.4 ± 0.6

0.667

1.3 ± 0.3

1.9 ± 0.5

<0.001^***

Sodium to potassium ratio (mEq/L/mEq/L)

5.1 ± 2.1

4.6 ± 1.6

0.488

4.9 ± 1.6

3.5 ± 1.0

<0.001^***