Percentage of previously treated tuberculosis (TB) cases with multidrug-resistant (MDR)-TB. Percentage of previously treated tuberculosis (TB) cases with multidrug-resistant (MDR)-TB. Figures are based on the most recent year for which data have been resported, which varies among countries. The high percentages of previously treated TB cases with MDR-TB in Bahrain, Bonaire, Israel, Saint Eustatius and Saba, and Sao Tomé and Principe refer to only small numbers of notified cases (range 1–8 notified previously treated TB cases). Reproduced from [1] with permission from the publisher. Lia D'Ambrosio et al. ERJ Open Res 2015;1:00010-2015 ©2015 by European Respiratory Society