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Using machine learning to assess the predictive potential of standardized nursing data for home healthcare case-mix classification

Author

Listed:
  • Maud H. Korte

    (Dutch Healthcare Authority (NZa)
    Tilburg University)

  • Gertjan S. Verhoeven

    (Dutch Healthcare Authority (NZa)
    Tilburg University)

  • Arianne M. J. Elissen

    (Maastricht University)

  • Silke F. Metzelthin

    (Maastricht University)

  • Dirk Ruwaard

    (Maastricht University)

  • Misja C. Mikkers

    (Dutch Healthcare Authority (NZa)
    Tilburg University
    Tilburg University)

Abstract

Background The Netherlands is currently investigating the feasibility of moving from fee-for-service to prospective payments for home healthcare, which would require a suitable case-mix system. In 2017, health insurers mandated a preliminary case-mix system as a first step towards generating information on client differences in relation to care use. Home healthcare providers have also increasingly adopted standardized nursing terminology (SNT) as part of their electronic health records (EHRs), providing novel data for predictive modelling. Objective To explore the predictive potential of SNT data for improvement of the existing preliminary Dutch case-mix classification for home healthcare utilization. Methods We extracted client-level data from the EHRs of a large home healthcare provider, including data from the existing Dutch case-mix system, SNT data (specifically, NANDA-I) and the hours of home healthcare provided. We evaluated the predictive accuracy of the case-mix system and the SNT data separately, and combined, using the machine learning algorithm Random Forest. Results The case-mix system had a predictive performance of 22.4% cross-validated R-squared and 6.2% cross-validated Cumming’s Prediction Measure (CPM). Adding SNT data led to a substantial relative improvement in predicting home healthcare hours, yielding 32.1% R-squared and 15.4% CPM. Discussion The existing preliminary Dutch case-mix system distinguishes client needs to some degree, but not sufficiently. The results indicate that routinely collected SNT data contain sufficient additional predictive value to warrant further research for use in case-mix system design.

Suggested Citation

  • Maud H. Korte & Gertjan S. Verhoeven & Arianne M. J. Elissen & Silke F. Metzelthin & Dirk Ruwaard & Misja C. Mikkers, 2020. "Using machine learning to assess the predictive potential of standardized nursing data for home healthcare case-mix classification," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 21(8), pages 1121-1129, November.
    • Handle: RePEc:spr:eujhec:v:21:y:2020:i:8:d:10.1007_s10198-020-01213-9
    DOI: 10.1007/s10198-020-01213-9
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    References listed on IDEAS

    as
    1. Maarse, J.A.M. (Hans) & Jeurissen, P.P. (Patrick), 2016. "The policy and politics of the 2015 long-term care reform in the Netherlands," Health Policy, Elsevier, vol. 120(3), pages 241-245.
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    Full references (including those not matched with items on IDEAS)

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    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Chris Sampson’s journal round-up for 26th October 2020
      by Chris Sampson in The Academic Health Economists' Blog on 2020-10-26 12:00:03

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    More about this item

    Keywords

    Case-mix; Home care; Electronic health records; Machine learning; Predictive modelling;
    All these keywords.

    JEL classification:

    • I13 - Health, Education, and Welfare - - Health - - - Health Insurance, Public and Private
    • I11 - Health, Education, and Welfare - - Health - - - Analysis of Health Care Markets
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods

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