Trends in Biochemical Parameters, Healthcare Resource and Medication Use in the 5 Years Preceding IBD Diagnosis: A Health Maintenance Organization Cohort Study

Nathaniel A. Cohen*, Efrat Kliper, Noa Zamstein, Tomer Ziv-Baran, Matti Waterman, Gabriel Hodik, Amir Ben Tov, Revital Kariv

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Background: Few data describing pre-diagnosis changes in patients with inflammatory bowel disease (IBD) exist. We aimed to determine if there is a pattern of change in use of health resources, medications and laboratory results in the years preceding diagnosis. Methods: This retrospective study used electronic medical records of Maccabi Health Services (MHS). Patients with IBD ≥ 16 years of age and minimum of 5-years follow-up were identified by entry into the MHS IBD registry and included in the analysis. Demographic, clinical, medication and laboratory data were collected. Generalized estimating equation model was applied to study trends and compare between years. Results: This study included 5643 patients with IBD. Of these, 3039 (53.8%) had Crohn’s disease (CD), 2322 (41.1%) had ulcerative colitis (UC) and 282 (5%) had indeterminate colitis (IC). Laboratory parameters including white blood cells, platelets and C-reactive protein showed significant increases while haemoglobin and mean cell volume showed significant decreases in mean values in the 2 years prior to diagnosis with stable values prior to that (p < 0.0001). Parameters such as creatinine, total protein and albumin showed significant, progressive decreases in mean values starting 5 years prior to diagnosis (p < 0.0001). Patients with CD had distinct laboratory trends when compared with patients with UC. Conclusions: Changes in laboratory parameters, healthcare service and medication use occur during the 5-year period before IBD diagnosis. These data can have future clinical applicability by developing a composite score and referral algorithm introducing red flags into primary care visits and appropriate referral for specialist care.

Original languageEnglish
Pages (from-to)414-422
Number of pages9
JournalDigestive Diseases and Sciences
Volume68
Issue number2
DOIs
StatePublished - Feb 2023

Funding

FundersFunder number
Takeda Pharmaceutical Company

    Keywords

    • Crohn’s disease
    • Inflammatory bowel disease
    • Pre-diagnosis
    • Prediction
    • Ulcerative colitis

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