HIV status in tuberculosis (TB) patients with an allopatric compared to patients with a sympatric Mycobacterium tuberculosis strain among European patients in a second panel.

Patient isolates were obtained from a population-based TB study (n = 1,642) in the Canton of Bern, Switzerland, diagnosed between 1991 and 2011.Sympatric was defined as a strain belonging to Lineage 4 (Euro-American lineage), allopatric as a strain belonging to a lineage other than Lineage 4.1Fisher's exact test.95% CI, 95% confidence interval.