ArticleAnnals of clinical microbiology and antimicrobials2017
Clinical and economic impact of the introduction of a nucleic acid amplification assay for Clostridium difficile.
Article in Annals of clinical microbiology and antimicrobials, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed, 8 citations in OpenAlex.
- Gastroenterological Surgery and Management ofJournal of the anus, rectum and colon · 2025Review
- Recurrence of Clostridioides difficile infection and mortality in older inpatients.European geriatric medicine · 2024Article
- Impact of Nucleic Acid Amplification Test on Clinical Outcomes in Patients withAntibiotics (Basel, Switzerland) · 2023Article
- Laboratory Tests for the Diagnosis ofClinics in colon and rectal surgery · 2020Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
backgroundThe clinical outcomes and cost implications of a diagnostic shift from an EIA- to PCR-based assay for Clostridium difficile infection (CDI) have not been completely described in the literature.
methodsThe impact of the PCR-based assay on the incidence and duration of CDI therapy was compared to the EIA assay for patients with a negative CDI diagnostic result. Secondary clinical and economic outcomes were also evaluated. Independent predictors of receipt of antibiotic therapy were assessed via logistic regression.
results141 EIA and 140 PCR patients were included. Significantly more patients were started or continued on anti-CDI antibiotic therapy after a known negative assay result in the EIA group (26 patients vs. 8 patients, P = 0.002). Duration of antibiotic therapy after a known negative result was significantly shorter in the PCR group (1 vs. 4 days, P = 0.029) and a 23% reduction in the number of tests obtained per patient was observed (1.41 ± 0.86 vs. 1.82 ± 1.35, P = 0.007). The over fourfold difference in per-test cost of the EIA assay ($8.33 vs. $42.86, P < 0.0001) was offset by the overall medication costs required for the increased treatment in the EIA group ($546.60 vs. $188.96, P = 0.191). Utilization of the EIA-based CDI assay was associated with increased odds of CDI treatment after a negative test (aOR 4.71, 95% CI 1.93-11.46, P = 0.001).
conclusionThe transition from an EIA to PCR-based assay for diagnosing CDI resulted in a significant decrease in the number of patients treated and the duration of treatment in response to a negative test result. This significant decrease in treatment resulted in decreased costs offsetting the utilization of a more expensive molecular test for patients with a negative CDI diagnostic result.
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