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Table 8 Urine pH for the Control group with daily PA, SRWC, and PRAL subgroup analyses (Mean (SE)).

From: Acid-base balance and hydration status following consumption of mineral-based alkaline bottled water

Control Condition

Pre-Treatment Period

Treatment Period

Post-Treatment Period

 

M1

M2

M3

M4

M5

M6

M7

M8

M9

M10

M11

M12

All Subjects

6.01

6.11

6.13

6.13

6.20

6.15

6.01

6.01

6.00

6.08

5.86

6.20

(n = 19)

(0.11)

(0.09)

(0.08)

(0.10)

(0.11)

(0.06)

(0.07)

(0.07)

(0.08)

(0.09)

(0.08)

0.08)

Low PA

(n = 9)

5.95

(0.21)

5.93

(0.11)

6.00

(0.14)

6.07

(0.16)

6.12

(0.17)

6.11

(0.09)

5.86

(0.07)

5.86

(0.07)

5.91

(0.11)

6.02

(0.14)

5.99

(0.12)

6.11

(0.12)

High PA

(n = 10)

6.05

(0.11)

6.20

(0.10)

6.24

(0.10)

6.19

(0.13)

6.36

(0.12)

6.19

(0.09)

6.14

(0.12)

6.14

(0.12)

6.05

(0.12)

6.14

(0.12)

6.02

(0.08)

6.28

(0.11)

Low SRWC

(n = 9)

6.21

(0.18)

6.28

(0.13)

6.17

(0.17)

6.13

(0.15)

6.17

(0.13)

6.29

(0.14)

5.85

(0.14)

5.85

(0.14)

5.99

(0.12)

6.25

(0.12)

6.16

(0.16)

6.37

(0.14)

High SRWC

(n = 10)

6.30

(0.18)

6.15

(0.10)

6.14

(0.09)

6.18

(0.14)

6.31

(0.15)

6.18

(0.14)

6.25

(0.15)

6.25

(0.15)

6.19

(0.13)

6.15

(0.11)

5.94

(0.13)

6.10

(0.11)

Low PRAL

(n = 9)

6.06

(0.22)

6.11

(0.16)

6.22

(0.15)

6.22

(0.17)

6.23

(0.17)

6.23

(0.11)

5.92

(0.11)

5.92

(0.11)

5.92

(0.13)

5.98

(0.16)

5.87

(0.15)

6.16

(0.14)

High PRAL

(n = 10)

5.96

(0.10)

6.11

(0.09)

6.04

(0.09)

6.06

(0.11)

6.36

(0.36)

6.08

(0.07)

6.08

(0.10)

6.08

(0.10)

6.04

(0.10)

6.18

(0.08)

5.86

(0.09)

6.24

(0.09)

  1. Note: There were a total of twelve 24-hour urine collections labeled in the table as M1-M12, respectively. Mean pH values were compared directly with respective mean Pre-Treatment reference value which were averages of all M1-M3 values within the condition and subject group being evaluated. These Pre-Treatment reference values were as follows: 6.08 (all Control subjects), 5.96 (low PA), 6.16 (high PA), 6.22 (low SRWC), 6.20 (high SRWC), 6.13 (low PRAL), and 6.04 (high PRAL).