Ernesto Cortés-Castell

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Objective. To explore anthropometric changes in normal-weight, overweight and obese subjects who did not dropout or fail a weight loss program over the 16 treatment weeks to improve patient motivation and treatment adherence. Methods. A clinical intervention study was conducted among 271 (including 100 dropouts and/or failures) obese and overweight patients(More)
BACKGROUND A sample size containing at least 100 events and 100 non-events has been suggested to validate a predictive model, regardless of the model being validated and that certain factors can influence calibration of the predictive model (discrimination, parameterization and incidence). Scoring systems based on binary logistic regression models are a(More)
UNLABELLED Background. Little research exists on the impact of paid work on academic performance of students of health sciences. No research exists on this subject for students in Colombia. Objectives. This paper seeks to analyze the impact of paid work on academic performance among nursing students. DESIGN, SETTINGS AND PARTICIPANTS cross-sectional(More)
OBJECTIVE To analyse the association in newborns between blood levels of phenylalanine and feeding method and gestational age. STUDY DESIGN This observational, cross-sectional study included a sample of 11,829 infants between 2008 and 2013 in a Spanish region. Data were recorded on phenylalanine values, feeding method [breast, formula, mixed (breast plus(More)
BACKGROUND Other studies have assessed nonadherence to proton pump inhibitors (PPIs), but none has developed a screening test for its detection. OBJECTIVES To construct and internally validate a predictive model for nonadherence to PPIs. METHODS This prospective observational study with a one-month follow-up was carried out in 2013 in Spain, and(More)
BACKGROUND Others have described a relationship between hemoglobin A levels and gestational age, gender and ethnicity. However, studies are needed to determine normal cut-off points considering these factors. To address this issue we designed a study to determine the percentiles of normality of neonatal hemoglobin A levels taking these factors into account.(More)
OBJECTIVE We evaluated the protective activity of an extract from a by-product such as olive stones, through its ability to inhibit H202 induced apoptosis in the SH-SY5Y human neuroblastoma cell line. MATERIAL AND METHODS To such end, 20,000 cells/well were cultivated and differentiation with retinoic acid was initiated. Once the cells were(More)
AIMS To determine out-of-hospital cardiac arrest mortality in the province of Alicante (Spain) and its associated factors. METHODS Cross-sectional observational study of all patients who received cardiopulmonary resuscitation (CPR) by the Emergency Medical Services (EMS) (n = 422) in the province of Alicante in 2013. To determine associated factors, a(More)
OBJECTIVE To determine the prevalence of the metabolic syndrome (SM) and its components in teenagers from the metropolitan area of Monterrey Nuevo Leon, Mexico (AMM). METHOD A transversal research involving 254 teenage students from 10 to 19 years old. To research investigated their personal characteristics, anthropometrics measures, glucose,(More)
Objective. The objective of this study is to evaluate the effectiveness of telenutrition versus traditional nutritional consultations for female obese patients in need of nutritional treatment. Methods. A comparative clinical study was conducted among 233 obese or overweight women (including 20 who dropped out and 60 who failed) who consulted a nutrition(More)