Use of subject scores as manifest variables to assess the relationship between latent variables produces attenuated estimates. This has been demonstrated for raw scores from classical test theory (CTT) and factor scores ...

BACKGROUND/OBJECTIVE: In Chile, approximately one in three children under 6 years of age reported overweight/obese, while one in four children in elementary school suffer from obesity. There is a paucity of population-based ...

Chronic mountain sickness (CMS) or lack of adaptation to live in high altitudes is related to environmental hypoxia and excessive erythrocytosis (EE) (hemoglobin >21 and >19 g/dL for men and women, respectively). Diagnosis ...

The Acquired Immunodeficiency Syndrome (AIDS) caused by the human immunodeficiency virus (HIV) is a serious, emergent, pandemic disease, considered of the biggest problems in the world. The introduction of Highly Active ...

Purpose of reviewPredictive asthma scores and biomarkers are important tools that help many physicians in the identification of infants and preschool children at high risk for asthma. Our objective was to review recent ...

Background: Urinary dysfunction is one of the main features of human T-cell leukemia virus type 1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). However, a comprehensive assessment of the severity is difficult ...

BACKGROUND/OBJECTIVE: In Chile, approximately one in three children under 6 years of age reported overweight/obese, while one in four children in elementary school suffer from obesity. There is a paucity of population-based ...