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Table 3 Urinary Sodium and Potassium Concentrations (mEq/L) of the Study Population

From: The use of a commercial vegetable juice as a practical means to increase vegetable intake: a randomized controlled trial

  No vegetable juice (n = 24) 8 fluid ounce group (n = 23) 16 fluid ounce group (n = 26)
Urinary Potassium Concentration--0 weeks 21.6 ± 8.1 27.6 ± 15.8 30.2 ± 11.1*
Urinary Sodium Concentration--0 weeks 47.9 ± 21.1 62.8 ± 33.5 71.0 ± 24.8**
Urinary Potassium Concentration--12 weeks 24.9 ± 10.3 28.4 ± 13.0 36.2 ± 16.8***
Urinary Sodium Concentration--12 weeks 58.2 ± 20.8 62.4 ± 23.5 79.0 ± 27.8****
  1. *Significantly different from no vegetable juice group (p = 0.01); **significantly different from no vegetable juice group (p < 0.01); ***significantly different from no vegetable juice group p < 0.01; ****significantly different from 8 fluid ounce group (p = 0.02), and no vegetable juice group (p < 0.01)
  2. Values are means ± SD.