Abreo et al., 1993

9.6^c

>3 mo

None reported

3.6^c

>2 y

None reported

10.8^d

Not stated

None reported

Brandwein and Sigman, 1994

2.7^c

2 y, 8 mo

None reported

Bullimore and Miloszewski, 1987

6.5^d

23 y

Alkali in antacid

Campbell et al., 1994

5^d

3 mo

None reported

Carroll et al., 1983

4.2^d

30 y

None reported

2^c

5 y

None reported

3.8^d

2 mo

Vitamins A and E

2.8^d

10 y

NaHCO₃, 5 g/d

French et al., 1986

8^c

2 y

None reported

4.2^c

>2 y

Thiazide

Gora et al., 1989

4^c

2 y

Thiazide

Hart et al., 1982

10.6^d

Not stated

NaHCO₃, 2 g/d

Kallmeyer and Funston, 1983

8^d

10 y

Alkali in antacid

Kapsner et al., 1986

10^d

10 mo

None reported

6.8^d

7 mo

None reported

4.8^c

2 d

10-y history of antacid use

Kleinman et al., 1991

16.5^d

2 wk

10-y history of antacid use

Lin et al., 1996

1.5^c

4 wk

None reported

Muldowney and Mazbar, 1996

1.7^c

13 mo (52 wk)

None reported

Schuman and Jones, 1985

9.8^d

20 y

None reported

4.8^d

6 wk

10-y history of antacid intake

Whiting and Wood, 1997

2.4^c

>1 y

None reported

Whiting and Wood, 1997

2.3–4.6^c

>1 y

None reported

Number of Subjects

26

Mean

5.9

3 y, 8 mo

Median

4.8

13 mo

Range

1.5–>16.5

2 d–23 y