J Rheumatol 1998 Oct;25(10):2003-8
Escuela de Medicina, Universidad de Valparaíso, and the Instituto Médico Infantil, Osteopesquisa, Chile.
Objective: To assess bone mineralization in healthy Chilean children and adolescents, considering sex, age, height, and puberty.
Methods: In a descriptive cross sectional study, the appendicular bone mineral density (BMD) was measured by single photon x-ray absorptiometry at distal (D-BMD) and ultradistal (UD-BMD) regions of the forearm, in 571 healthy children and adolescents of Valparaíso and Viña del Mar, Chile, considering their age, sex, height, calcium intake, and pubertal development according to Tanner.
Results: Physical activity was regular; daily average calcium intake was 580 +/- 100 mg and the D-BMD and UD-BMD showed a 3 step growth pattern: Slow increments between 4 and 8 years of age in girls (r = 0. Read More