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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)