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TABLE 2-11997 DRI Factorial Approach for Determining Calcium Requirements During Peak Calcium Accretion in White Adolescents

Number of ObservationsFemale Calcium Requirements (mg/day)Number of ObservationsMale Calcium Requirements (mg/day)
Peak calcium accretion507212a471282a
Urinary losses28106b14127c
Endogenous fecal calcium14112d3108e
Sweat Losses55f55f
Total485572
Total adjusted for absorptiong1,2761,505
a

Martin et al. (1997) using peak BMC velocity.

b

Greger et al. (1978); Weaver et al. (1995).

c

Matkovic (1991).

d

Wastney et al. (1996) for mean age 13 years on calcium intakes of 1,330 mg/day.

e

Abrams et al. (1992).

f

Taken from Peacock (1991) who adjusted the adult data of Charles et al. (1983) for body weight.

g

Absorption is 38% for mean age 13 years on calcium intakes of 1,330 mg/day (Wastney et al., 1996).

Martin et al. (1997) using peak BMC velocity.

Wastney et al. (1996) for mean age 13 years on calcium intakes of 1,330 mg/day.

Taken from Peacock (1991) who adjusted the adult data of Charles et al. (1983) for body weight.

Absorption is 38% for mean age 13 years on calcium intakes of 1,330 mg/day (Wastney et al., 1996).

From: 2, Overview of Calcium

Cover of Dietary Reference Intakes for Calcium and Vitamin D
Dietary Reference Intakes for Calcium and Vitamin D.
Institute of Medicine (US) Committee to Review Dietary Reference Intakes for Vitamin D and Calcium; Ross AC, Taylor CL, Yaktine AL, et al., editors.
Washington (DC): National Academies Press (US); 2011.
Copyright © 2011, National Academy of Sciences.

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