Table 3

Blood pressure among subjects with an initial magnesium level in urine less than 0.40 mmol/L before and after intervention with different waters. * denotes group with initial systolic values below 170 mm (see text).

Water

n

Before

2 weeks

4 weeks

Systolic

A

18

151.9 (9.8)

154.2 (15.9)

148.3 (12.4)

B

18

148.3 (10.5)

146.8 (13.6)

147.9 (11.5)

C

19

156.8 (15.9)

150.1(16.1)p = 0.034

150.4(15.5)p = 0.017

C*

13

148.8 (13.3)

142.5(10.1)p = 0.028

144.3(14.4)p = 0.047

Diastolic

A

18

90.1 (4.4)

91.2 (6.1)

89.8 (5.0)

B

18

90.4 (4.2)

89.3 (6.0)

90.9 (6.6)

C

19

91.7 (6.3)

88.0 (7.6) p = 0.014

89.1 (8.0) p = 0.020

C*

13

91.3 (6.4)

87.3 (6.3) p = 0.004

88.1 (8.6) p = 0.012

Rylander and Arnaud BMC Public Health 2004 4:56   doi:10.1186/1471-2458-4-56