Figure 1.
Selection of patients with local health department directed LTBI diagnosis. Abbreviation: LTBI, latent tuberculosis infection. 1Patients were excluded if all available test results were 30 days prior to initial health department visit. 2If more than 1 test completed, at least 1 positive. 3Diagnosis based on available documentation of final recorded clinical diagnosis in patient records, despite no available documentation of positive test results.