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Table 1 Body weight and BMI at all visits 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 14 Day 42 Day 84 Day 0 Day 14 Day 42 Day 84
Weight (kg) Mean (SD) 67.99 (11.58) 68.09 (11.76) 68.11 (12.03) 67.86 (11.54) 64.22 (8.15) 64.24 (8.32) 64.10 (8.20) 64.07 (8.61)
  Change from baseline (Day 0) (SD)   0.02 (1.01) 0.03 (1.40) -0.21 (1.98)   0.02 (0.78) -0.12 (1.36) -0.15 (1.66)
  *P value      0.126 0.921 0.749 0.946
BMI (kg/m2) Mean (SD) 25.05 (3.64) 25.11 (3.71) 25.11 (3.78) 25.02 (3.59) 24.16 (3.14) 24.17 (3.18) 24.12 (3.13) 24.16 (3.14)
  Change from baseline (Day 0) (SD)   0.010 (0.38) 0.009 (0.54) -0.073 (0.76)   0.006 (0.29) -0.048 (0.51) -0.052 (0.62)
  *P value      0.289 0.991 0.681 0.930
  1. *p-value (t-test) comparing groups at Day 0 (italics) and for change from Baseline to Day 14, Day 42 and Day 84