Validation of a subjective global assessment questionnaire
Journal Title: Jornal de Pediatria - Year 2015, Vol 91, Issue 6
Abstract
Objective To validate the Subjective Global Nutritional Assessment (SGNA) questionnaire for Brazilian children and adolescents. Methods A cross-sectional study with 242 patients, aged 30 days to 13 years, treated in pediatric units of a tertiary hospital with acute illness and minimum hospitalization of 24h. After permission from the authors of the original study, the following criteria were observed to obtain the validation of SGNA instruments: translation and backtranslation, concurrent validity, predictive validity, and inter-observer reliability. The variables studied were age, sex, weight and length at birth, prematurity, and anthropometry (weight, height, body mass index, upper arm circumference, triceps skinfold, and subscapular skinfold). The primary outcome was considered as the need for admission/readmission within 30 days after hospital discharge. Statistical tests used included ANOVA, Kruskal–Wallis, Mann–Whitney, chi-square, and Kappa coefficient. Results According to SGNA score, 80% of patients were considered as well nourished, 14.5% moderately malnourished, and 5.4% severely malnourished. Concurrent validity showed a weak correlation between the SGNA and anthropometric measurements (p<0.001). Regarding predictive power, the main outcome associated with SGNA was length of admission/readmission. Secondary outcomes associated included the following: length of stay at the unit after SGNA, weight and length at birth, and prematurity (p<0.05). The interobserver reliability showed good agreement among examiners (Kappa=0.74). Conclusion This study validated the SGNA in this group of hospitalized pediatric patients, ensuring its use in the clinical setting and for research purposes in the Brazilian population.
Authors and Affiliations
Maiara Carniel
Keywords
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- EP ID EP554586
- DOI 10.1016/j.jped.2015.03.005
- Views 51
- Downloads 0
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