Mycobacterial species isolated, demographic characteristics, symptoms and treatment assigned to each patient.

@Mycobacterium species most closely related;*Patients were naïve to TB treatment before they were enrolled in the study and received the TB standard regimen for their disease.$Based on National treatment guidelines for TB, the Standard regimen comprises 2 months of rifampin, isoniazid, pyrazinamide and ethambutol and 4 months of isoniazid and rifampin (2RHZE/4RH). Patients with sputum smears positive at month-5 of standard regimen, receive 1 month of rifampin, isoniazid, pyrazinamide, ethambutol and streptomycin followed by 2 months of rifampin, isoniazid, pyrazinamide, ethambutol and 5 months of rifampin, isoniazid and ethambutol (2RHZES/1RHZE/5RHE called re-treatment regimen). The second line treatment for chronic cases (patients with sputum smears positive after re-treatment regimen) comprises kanamycin, ofloxacin, ethionamide and pyrazinamide (3KOEtZ/18OetZ) for MDR disease. M.af: Mycobacterium africanum; M.tb: Mycobacterium tuberculosis; Neg: negative; Pos: positive; AFB: acid-fast bacilli.