Isenring Elisabeth, Cross Giordana, Daniels Lynne, Kellett Elizabeth, Koczwara Bogda
Flinders University, Adelaide, SA, Australia.
Support Care Cancer. 2006 Nov;14(11):1152-6. doi: 10.1007/s00520-006-0070-5. Epub 2006 Apr 19.
To determine the relative validity of the Malnutrition Screening Tool (MST) compared with a full nutrition assessment by the scored Patient Generated-Subjective Global Assessment (PG-SGA) and to assess MST inter-rater reliability in patients receiving chemotherapy.
An observational, cross-sectional study was conducted at an Australian public hospital in 50 oncology outpatients receiving chemotherapy. Inter-rater reliability was assessed in a subsample of 20 patients.
According to PG-SGA global rating, the prevalence of malnutrition was 26%. The MST was a strong predictor of nutritional risk relative to the PG-SGA (100% sensitivity, 92% specificity, 0.8 positive predictive value, 1.0 negative predictive value). MST inter-rater reliability was acceptable with agreement by administration staff/nursing staff/patient and the dietitian in 18/20 cases (kappa=0.83; p0.001).
The MST has acceptable relative validity, inter-rater reliability, sensitivity, and specificity to identify chemotherapy outpatients at risk of malnutrition and, hence, is an acceptable nutrition screening tool in this patient population.
通过计分的患者主观全面评定法（PG-SGA）进行全面营养评估，以确定营养不良筛查工具（MST）的相对效度，并评估接受化疗患者中MST评分者间的可靠性。
在一家澳大利亚公立医院对50名接受化疗的肿瘤门诊患者进行了一项观察性横断面研究。在20名患者的子样本中评估了评分者间的可靠性。
根据PG-SGA总体评分，营养不良患病率为26%。相对于PG-SGA，MST是营养风险的有力预测指标（灵敏度100%，特异度92%，阳性预测值0.8，阴性预测值1.0）。在18/20例病例中，行政人员/护理人员/患者与营养师的评定结果一致，MST评分者间的可靠性可接受（kappa=0.83；p<0.001）。
MST在识别有营养不良风险的化疗门诊患者方面具有可接受的相对效度、评分者间可靠性、灵敏度和特异度，因此是该患者群体中可接受的营养筛查工具。
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