title: Nutritional assessment in surgical oncology patients: a comparative analysis between methods.
abstract: OBJECTIVE
  The malnutrition found in oncology patients is the main responsible for the increase in morbimortality and worsening of their quality of life. Currently, the assessment of malnutrition is performed by subjective and objective methods, or the combination of them. Although these methods are routinely applied and their association is very common in clinical practice, there are few studies on the agreement between them. Thereby, this study aims to compare different methods for nutritional status assessment in surgical oncology patients.
  
  
  METHODS
  173 oncology patients, admitted for surgery, were submitted to an anthropometric evaluation and answered a SGA, PG-SGA and NRS-2002. Kappa test was used to evaluated the level of concordance between the methods.
  
  
  RESULTS
  Poor concordance were observed between BMI and NRS-2002 (K=0,286), SGA (K=0,372) and PGSGA (K=0,173). Among the subjective methods, the best results were found for SGA and PG-SGA (K=0,690), and the lowest between NRS-2002 and both others (SGA: K=0,345; PG-SGA: K=0,322).
  
  
  CONCLUSIONS
  The poor concordance found between objective and subjective methods reinforces the importance of associating indicators in the nutritional assessment of this population Despite of the poor concordance found between the nutritional status assessment methods investigated in this study, patients who had greater depletion of body stores were also diagnosed with a higher degree of malnutrition by subjective methods.
authors.affiliation: Master's Degree of Food Nutrition and Health, School of Nutrition, Federal University of Bahia.. carlamagalhaesc@gmail.com.
authors.forename: Carla de Magalhães
authors.initials: Cde M
authors.lastname: Cunha
authors.affiliation: Department of Nutrition and Dietetics, Professor Edgard Santos University Hospital, Bahia.. ethisampaio@yahoo.com.br.
authors.forename: Ethiane de Jesus
authors.initials: Ede J
authors.lastname: Sampaio
authors.affiliation: Department of Nutrition and Dietetics, Aristides Maltez Hospital, Bahia.. lucia.varjao@uol.com.br.
authors.forename: Maria Lúcia
authors.initials: ML
authors.lastname: Varjão
authors.affiliation: Graduate in School of Nutrition, Federal University of Bahia. Brazil.. cacasimon@hotmail.com.
authors.forename: Clarissa Simon
authors.initials: CS
authors.lastname: Factum
authors.affiliation: Clinical Nutrition Department, School of Nutrition, Federal University of Bahia.. lilianbramos@gmail.com.
authors.forename: Lilian Barbosa
authors.initials: LB
authors.lastname: Ramos
authors.affiliation: Clinical Nutrition Department, School of Nutrition, Federal University of Bahia.. jairza@yahoo.com.br.
authors.forename: Jairza Maria
authors.initials: JM
authors.lastname: Barreto-Medeiros
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000886:Anthropometry; D015992:Body Mass Index; D005260:Female; D006801:Humans; D008297:Male; D044342:Malnutrition / Q000175:diagnosis; D008875:Middle Aged; D009369:Neoplasms / Q000378:metabolism* / Q000601:surgery*; D015596:Nutrition Assessment; D009752:Nutritional Status; D010361:Patients; D015203:Reproducibility of Results; D055815:Young Adult