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PSNet: Patient Safety Network
Journal Article
Study

Incidence, duration and risk factors associated with delayed and missed diagnostic opportunities related to tuberculosis: a population-based longitudinal study.

Miller AC, Arakkal AT, Koeneman S, et al. BMJ Open. 2021;11(2):e045605.

Delayed diagnosis is a critical patient safety concern. This cohort study, consisting of 3,500 patients with tuberculosis (TB) over a 17-year period, found that more than three-quarters of patients experienced at least one missed opportunity for a diagnosis in the year before they were finally diagnosed with TB. The average duration of the diagnostic delay was nearly 32 days. Missed opportunities occurred most commonly in outpatient settings. A previous WebM&M commentary discusses patient harm resulting from a missed TB diagnosis.