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Validation of nutritional risk index method against patientgenerated subjective global assessment in screening malnutrition in colorectal cancer patients

查看全文 作　　者：Elnaz [1]Faramarzi;Reza [2]Mahdavi;Mohammad Mohammad-[3]Zadeh;Behnam [3]Nasirimotlagh 高影响力作者 机构地区：[1]Student research committee,Tabriz University of Medical Sciences;[2]Nutrition Research Center,Tabriz University of Medical Sciences;[3]Department of Radiotherapy,Imam Khomeini Hospital,Tabriz University of Medical Sciences高影响力机构 出　　处：《Chinese Journal of Cancer Research》索引2013年第25卷第5期,共5页高影响力期刊 基　　金：the financial support of Nutrition Research Center,Tabriz University of Medical Sciences 摘　　要：Objective:To validate malnutrition screening tool of nutrition risk index(NRI)against patient-generated subjective global assessment(PG-SGA)as a gold standard tool in colorectal cancer patients before radiotherapy.Methods:Nutritional status of 52 volunteer colorectal cancer patients with a mean age of 54.1±16.8 years who referred to radiotherapy center were assessed by PG-SGA(gold standard method)and NRI.Serum albumin levels of patients were determined by colorimetric method.A contingency table was used to determine the sensitivity,specificity,and predictive value of the NRI in screening patients at risk of malnutrition,in comparison with the PG-SGA in patients before radiotherapy.Results:The findings of PG-SGA and NRI showed that 52%and 45%of patients in our study were moderately or severely malnourished respectively.The NRI had a sensitivity of 66%and a specificity of 60%against PG-SGA.The positive predictive value was 64%and the negative predicative value was 62%.The agreement between NRI and PG-SGA was statistically insignificant(kappa=0.267;P>0.05).Conclusions:The findings of present study showed that the prevalence of malnutrition was high in patients with colorectal cancer.Moreover,NRI method had low sensitivity and specificity in assessing nutritional status of patients with cancer.It seems that the combination of anthropometric,laboratory parameters and a subjective scoring system may be helpful tools in screening of malnutrition in cancer patients. 关 键 词：癌症患者 营养不良 风险指数 大肠癌 评估 验证 筛选 指数法
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