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Energy and nutrient calculations using an Optical Character Reader system.

M Sawicki, J Endres

    Journal of the American Dietetic Association
    |February 1, 1983
    PubMed
    Summary
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    The Optical Character Reader (OCR) system offers an acceptable method for dietary data tabulation, matching the reproducibility of manual or computer calculations. This dietary analysis tool significantly reduces clinician time and costs associated with nutrient calculations.

    Area of Science:

    • Nutrition Science
    • Biomedical Informatics

    Background:

    • Dietary data tabulation is crucial for nutritional assessment.
    • Manual calculation and on-line computer methods are traditionally used.
    • These methods can be time-consuming and resource-intensive.

    Purpose of the Study:

    • To evaluate the Optical Character Reader (OCR) system for dietary data tabulation.
    • To compare the OCR method with hand calculation and on-line computer methods regarding reproducibility, time, and cost.

    Main Methods:

    • Dietary data was tabulated using three methods: hand calculation, on-line computer, and OCR.
    • Reproducibility of energy and nutrient values was compared across methods.
    • Turn-around time and clinician time utilization were assessed.

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    Main Results:

    • No significant differences in the reproducibility of energy and nutrient values were found between the OCR, hand calculation, and on-line computer methods.
    • The OCR system significantly reduced the clinician's time and associated costs for dietary calculations.
    • While OCR increased turn-around time, it eliminated the need for computer facilities for clinicians.

    Conclusions:

    • The OCR system is an acceptable alternative for dietary calculations, offering comparable reproducibility to traditional methods.
    • OCR presents a cost-effective solution by minimizing clinician time, especially after initial investment.
    • This technology streamlines dietary analysis, making it more efficient for healthcare professionals.