Discordance between patient and provider report of multidrug-resistant tuberculosis adverse drug reactions

Published Date:

11/30/2018

Source:

International Journal of Tuberculosis and Lung Disease

Authors:

Kelly, A., Smith, B., Luo, Z., Given, B., Wehrhein, T., Master, I, & Farley, J. E.

External link

Original Article

SETTING: An urban out-patient clinic in Durban, South Africa, providing community-based treatment for drug-resistant tuberculosis (TB).

OBJECTIVE: To describe concordance between patient report and clinician documentation of adverse drug reactions (ADRs) to treatment for multidrug-resistant TB (MDR-TB).

DESIGN: ADRs were documented by interview using an 18-item symptom checklist and medical record data abstraction during a cross-sectional parent study with 121 MDR-TB patients, 75% of whom were co-infected with the human immunodeficiency virus. Concordance was analyzed using Cohen's κ statistic, Gwet's agreement coefficient (AC) 1, and McNemar's test.

RESULTS: ADRs were reported much more frequently in patient interviews (μ = 8.6) than in medical records (μ = 1.4). Insomnia was most common (67% vs. 2%), followed by peripheral neuropathy (65% vs. 18%), and confusion (61 vs. 4%). κ scores were very low, with the highest degree of concordance found in hearing loss (κ = 0.23), which was the only ADR not found to be significantly different between the two data sources (P = 0.34).

CONCLUSIONS: Our study showed a lack of concordance between patient report and clinician documentation of ADRs. These findings indicate the need for improved documentation of ADRs to better reflect patients' experiences during MDR-TB treatment. These data have important implications for country-level pharmacovigilance programs that rely on clinician documentation of ADRs for MDR-TB policy formation.

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