“…In Japan, the treatment success rates for older and younger people in 2007 were 71% and 87%, respectively, and the death rates were 21% versus 3%, respectively. 12 Aside from smoking and DM, other factors contributing to adverse outcomes in geriatric TB include delayed treatment, 34 endstage renal disease, 35 immunosuppression, 35 malignancy, 36 poor nutrition with low albumin level and decreased activity of daily living. 37 Older patients are more likely to experience antituberculosis drug-induced adverse reactions, as a result of polypharmacy related to co-morbidities, as well as physiological and pathological changes from ageing and concomitant diseases, respectively, such as renal, hepatic and other organ dysfunctions.…”