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Table 4 Blood pressure (BP) and urinary pH over the study period for spring water and magnesium bicarbonate (supplemented) spring water groups

From: A double-blind, placebo-controlled study of the short term effects of a spring water supplemented with magnesium bicarbonate on acid/base balance, bone metabolism and cardiovascular risk factors in postmenopausal women

  

Spring Water (n = 33)

Supplemented Spring Water (n = 34)

 

Visit

Day 0

Day 84

Day 0

Day 84

§SUPINE SYSTOLIC BP (mm Hg)

Mean (SD)

119.6 (13.23)

117.4 (10.73)

121.5 (13.32)

121.9 (14.08)

 

Change from baseline (Day 0) (SD)

 

-2.3 (11.64)

 

0.4 (10.74)

 

*P value

  

0.562

0.1606

§SUPINE DIASTOLIC BP (mm Hg)

Mean (SD)

73.1 (8.88)

72.0 (6.95)

74.1 (8.47)

73.9 (8.68)

 

Change from baseline (Day 0) (SD)

 

-1.2 (7.58)

 

-0.2 (6.36)

 

*P value

  

0.650

0.367

Urinary pH

Mean (SD)

6.13 (0.93)

6.17 (0.83)

6.38 (0.63)

6.66 (0.56)

 

Change from baseline (Day 0) (SD)

 

0.05 (0.86)

 

0.28 (0.73)

 

*P value

  

0.197

0.018

  1. *p-value comparing groups at Day 0 (italics) and for change from Day 0 to Day 84
  2. § Standing systolic and diastolic BP showed no significant difference between two water groups (Data not shown)