The impact of treatment non-compliance on mortality in people with type 1 diabetes

Craig J. Currie, Mark Peyrot, Christopher Ll Morgan, Chris D. Poole, Sara Jenkins-Jones, Richard R. Rubin, Christopher M. Burton, Marc Evans

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Aims: To determine if a diagnostic record of poor treatment compliance (medication non-compliance and/or non-attendance at medical appointments) was associated with all-cause mortality in people with type 1 diabetes. Methods: This is an observational cohort study of data extracted from The Health Improvement Network (THIN) database, comprising data on patients served by over 350 primary care practices in the UK. Participants were included in the study if they had diagnostic codes indicative of type 1 diabetes. Treatment non-compliance was defined as missing one or more scheduled appointment, or one or more codes indicating medication non-compliance. Results: Of 2946 patients with type 1 diabetes, 867 (29.4%) had a record of either appointment non-attendance or medication non-compliance in the 30 month compliance assessment period. The crude, unadjusted mortality rate for those patients who were treatment non-compliant was 1.462 (95% CI 0.954-2.205). Following adjustment for confounding factors, treatment non-compliance was associated with increased all-cause mortality (HR = 1.642; 95% CI 1.055-2.554). Conclusions: Treatment non-compliance was associated with increased all-cause mortality in patients with type 1 diabetes. Understanding and addressing factors that contribute to patient treatment non-compliance will be important in improving the life expectancy of patients with type 1 diabetes.

    Original languageEnglish (US)
    Pages (from-to)219-223
    Number of pages5
    JournalJournal of Diabetes and its Complications
    Volume27
    Issue number3
    DOIs
    StatePublished - May 2013

    Keywords

    • Adherence
    • Insulin therapy
    • Medical practice
    • Medication non-compliance
    • Mortality
    • Non-attendance
    • Type 1 diabetes

    ASJC Scopus subject areas

    • Internal Medicine
    • Endocrinology, Diabetes and Metabolism
    • Endocrinology

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