PD027 - CONCURRENT VALIDATION OF THE SYSTEMATIC NUTRITIONAL CLINICAL ASSESSMENT (SYNCA) IN HOSPITALIZED PATIENTS WITH EXCESS WEIGHT

PD027

CONCURRENT VALIDATION OF THE SYSTEMATIC NUTRITIONAL CLINICAL ASSESSMENT (SYNCA) IN HOSPITALIZED PATIENTS WITH EXCESS WEIGHT

M. D. S. Guedes^1,2, G. C. Souza^1,2,3, L. P. M. de Oliveira⁴, R. P. de Jesus⁴, V. Dall'Alba^2,3,5,6, F. Moraes Silva^7,*

¹Department of Nutrition, Federal University of Rio Grande do Sul, ²Nutrition and Dietetics Service, Hospital de Clínicas de Porto Alegre, ³Graduate Program in Food, Nutrition, and Health, Federal University of Rio Grande do Sul, Porto Alegre , ⁴Graduate Program in Food, Nutrition, and Health , Federal University of Bahia, Salvador, ⁵Department of Nutrition, Federal University of Rio Grande do Sul, Porto Alegre, ⁶Graduate Program in Gastroenterology and Hepatology Sciences, Federal University of Rio Grande do Sul, ⁷Federal University of Health Sciences of Porto Alegre, Nutrition Department and Graduate Program of Health Sciences, Porto Alegre, Brazil

Rationale: Excess weight can hinder malnutrition diagnosis in hospitalized patients. This study aimed to perform Systematic Nutritional Clinical Assessment's (SyNCA) concurrent validation in patients with excess weight and identify which body segment presents the best concurrent validity with the Subjective Global Assessment (SGA).

Methods: A cross-sectional study included hospitalized adults with excess weight (BMI ≥ 25 kg/m²) from two Brazilian regions. Within 48h of admission, patients underwent SGA and SyNCA. SyNCA categories "Mild/Moderate/Severe Nutritional Depletion" and SGA categories "B/C" were respectively grouped. Using SGA as the reference, diagnostic performance was evaluated by sensitivity and specificity, agreement was analyzed using Cohen's Kappa coefficient and overall accuracy by the area under the ROC curve (AUC). Ethics approval was obtained.

Results: A total of 202 patients (57.5±12.8 years; 55.4% male), from cardiology (34.2%), oncology (30.7%), hepatology (17.8%), and nephrology (17.3%) were included. Malnutrition prevalence was 31.7% (SGA) and 13.9% (SyNCA). SyNCA showed moderate agreement with SGA (κ=0.461; p<0.001), high accuracy (AUC 0.84), 40.6% sensitivity, and 98.6% specificity. Positive post-test probability increased from 31.7% to 93.1%. The gastrocnemius had the highest agreement with SGA (κ=0.505; p<0.001), biceps and triceps had the highest sensitivity (70.3%) and the temporal muscle the highest specificity (98.6%).

Conclusion: SyNCA presented moderate concurrent validity, with good overall accuracy and specificity, although with limitations in agreement and sensitivity. Due to its high specificity, it appears to be useful for confirming nutritional diagnosis. When simplification of the physical examination is necessary, the inspection and palpation of the temporal muscle presented the highest specificity.

Disclosure of Interest: None declared