Table 2. Urinary sodium excretion in persons with hypertension in the lifestyle and nutrition intervention group: University of Pittsburgh Center for Healthy Aging, Key to Life Nutrition Program.
| Urinary Na excretion | Change from baseline (mmol/24 h) | ||||
|---|---|---|---|---|---|
|
|
|
||||
| mmol/24 h | mg/24 h | Mean | 95% CI | P value* | |
| Baseline (n 115) | 136 | 3128 | |||
| 6 months (n 103) | 130 | 2990 | −6 | −5·74, 8·10 | 0·30 |
| 12 months (n 90) | 125 | 2875 | −13 | 1·16, 25·40 | 0·03 |
*
P value calculated using a matched paired t test, indicating statistical significance of the change in urinary Na from baseline to each of the follow-up points.