Table 3 shows results of Ziehl-Neelsen microscopy conducted at CHR and corresponding results of EQA conducted at INH and DITM during the initial (phase I, September 2010 through December 2010) and tra
#updated preliminary data presented at the Second Global Symposium on IGRAs. Daley C. Evaluation of interferon-g release assays in the diagnosis of latent TB infection in US healthcare workers: prelim
aData are number of patients (percent) unless otherwise indicated.bComparison of characteristics of patients with and without TB.cChest radiographs available for 418 patients.