Agreement between PG-SGA Short Form, MUST and SNAQ in hospital patients

Kim Angerman, Baukje de Boer, Faith D. Ottery, Annemiek Bielderman, J.L.N. Roodenburg, Wim Krijnen, Bernard van der Laan, Paul Jutte, Harriët Jager-Wittenaar

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Rationale: The Patient-Generated Subjective Global Assessment (PG-SGA) is a validated instrument to assess malnutrition and its risk factors in clinical populations. Its patient component, PG-SGA Short Form (SF), can be used as screening instrument. In this cross-sectional study we aimed to assess agreement between the PG-SGA SF, Malnutrition Universal Screening Tool (MUST), and Short Nutritional Assessment Questionnaire (SNAQ) in patients at the University Medical Center Groningen, The Netherlands.

Methods: Malnutrition risk was assessed by PG-SGA SF, MUST, and SNAQ in 81 patients from the Departments Ear Nose Throat (ENT), Oral and Maxillofacial Surgery (OMS) and Orthopedics. Point scores of PG-SGA SF=4-8, MUST=1, and SNAQ=2 were classified as ‘medium malnutrition risk’, and PG-SGA SF≥9, MUST ≥2, and SNAQ ≥3 as ‘high malnutrition risk’. Agreement in classification for malnutrition risk was assessed by weighted kappa (κ) and intra-class correlation coefficient (ICC). A p-value of <0.05 was considered statistically significant.

Results: According to the PG-SGA SF, MUST and SNAQ, respectively 65%, 81%, and 80% of all patients were classified as ‘low malnutrition risk’; 24%, 8% and 6% as ‘medium malnutrition risk’; 11%, 10% and 14% as ‘high malnutrition risk’.Agreement between PG-SGA SF and MUST (κ=0.452, ICC=0.448; p<0.001), and between PG-SGA SF and SNAQ (κ=0.395, ICC=0.395; p<0.001) were both fair. In patients from the Departments ENT and OMS, PG-SGA SF classified more patients at medium/high malnutrition risk (n=26) as compared to the MUST (n=12) or SNAQ (n=14).

Conclusion: We found only fair agreement between the PG-SGA SF and MUST and SNAQ, respectively. The PG-SGA SF classified three and four times more patients at medium malnutrition risk, compared to MUST and SNAQ respectively, due to its scoring on symptoms and activities/functioning. Hence, the PG-SGA SF may help facilitate proactive prevention of malnutrition.

Originele taal-2English
Aantal pagina's1
StatusPublished - 2015
Evenement37th ESPEN Congress on Clinical Nutrition & Metabolism 2015: Healthy Life Through Nutrition - International Congress Centre of Lisbon (CCL) , Lisbon, Portugal
Duur: 5 sep 20158 sep 2015
Congresnummer: 37th


Conference37th ESPEN Congress on Clinical Nutrition & Metabolism 2015
Verkorte titelESPEN 2015
Internet adres


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