Growth velocity curves and pubertal spurt parameters of Peruvian children and adolescents living at different altitudes. The Peruvian health and optimist growth study

Objetive To estimate the growth parameters of Peruvian children and adolescents living at different altitudes. Methods The sample comprised 10 795 Peruvian children and adolescents (5781 girls, aged 6‐7 years) from sea level, the Amazon region, and high altitude. Height was measured with standardized techniques. Mathematical and biological growth parameters were estimated using the Preece‐Baines growth model I. Results Sea‐level children and...