Development and Validation of an Expedited 10 g Protein Counter (EP-10) for Dietary Protein Intake Quantification

作者:Lim Su Lin*; Lye Jamie; Shen Liang; Miller Michelle; Chong Yap Seng
来源:Journal of Renal Nutrition, 2012, 22(6): 558-+.
DOI:10.1053/j.jrn.2011.10.005

摘要

Objective: Precise protein quantification is essential in clinical dietetics, particularly in the management of renal, burn, and malnourished patients. The expedited 10 g protein counter (EP-10) was developed to expedite the estimation of dietary protein for nutritional assessment and recommendation. The main objective of this study was to compare the validity and efficacy of the EP-10 with the American Dietetic Association%26apos;s %26quot;Exchange List for Meal Planning%26apos;%26apos; (ADA-7 g) in quantifying dietary protein intake, against computerized nutrient analysis (CNA). %26lt;br%26gt;Design: Protein intake of 197 food records kept by healthy adult subjects in Singapore was determined thrice using 3 different methods: (1) EP-10, (2) ADA-7 g, and (3) CNA using SERVE program (Version 4.0). Assessments using the EP-10 and ADA-7 g were performed by 2 assessors in a blind crossover manner while a third assessor performed the CNA. All assessors were blind to each other%26apos;s results. Time taken to assess a subsample (n 5 165) using the EP-10 and ADA-7 g was also recorded. %26lt;br%26gt;Results: Mean difference in protein intake quantification when compared with the CNA was statistically nonsignificant for the EP-10 (1.4 +/- 16.3 g, P = .239) and statistically significant for the ADA-7 g (22.2 +/- 15.6 g, P = .046). Both the EP-10 and ADA-7 g had clinically acceptable agreement with the CNA, as determined via Bland-Altman plots, although it was found that EP-10 had a tendency to overestimate with protein intakes above 150 g. The EP-10 required significantly less time for protein intake quantification than the ADA-7 g (mean time of 65 +/- 36 seconds vs. 111 +/- 40 seconds, P %26lt; .001). %26lt;br%26gt;Conclusion: The EP-10 and ADA-7 g are valid clinical tools for protein intake quantification in an Asian context, with EP-10 being more time efficient. However, a dietician%26apos;s discretion is needed when the EP-10 is used on protein intakes above 150 g.

  • 出版日期2012-11