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| Nutritional assessment in oncology patients: a comparative analysis between NRS 2002 and PG-SGA |
| Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Nutritional, Peking University Cancer Hospital & Institute, Beijing 100142, China |
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Abstract Objective To investigate the applicability of NRS 2002 and PG-SGA in screening nutritional risks in tumor inpatients. Methods We carried on the cross-sectional investigation in the cancer inpatients with different therapy methods, from February 2015 to April 2015. NRS 2002 and PG-SGA were both used for nutritional screening and evaluation, comparing the correlation sensitivity, specific, positive and negative predictive value. Results A total of 423 patients completed the study, including 124 from gastrointestinal surgery, 169 from radiotherapy and 130 from gastrointestinal oncology. There were 265(62.6%) cases of gastrointestinal tumor, 93(21.9%) cases of head and neck tumor, 65(15.4%) cases of other tumors. According to BMI, 9.5% of the participants were underweight. According to NRS 2002, 32.6% of the participants had nutritional risk; according to PGSGA, moderate and severe malnutriton accounted for 50.6%. Besides, NRS 2002 and PG-SGA had certain agreement by binary classification of cross (kappa=0.491, P<0.001). If we use NRS2002≥3 as nutritional risk assessment criterion, PG-SGA≥4 as positive control, the sensitivity and specificity of NRS 2002 were 57.0% and 92.3%, respectively. Conclusions The study indicated that NRS 2002 using for screening the nutritional risk and PG-SGA had certain agreement for cancer patients. If the PG-SGA≥4 was used as the positive control, the specificity and positive predictive value of NRS 2002 were better, but the sensitivity and negative predictive value were poor.
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