Association between M. tuberculosis lineage and disease presentation based on age at diagnosis.

Abbreviations: aOR, adjusted odds ratio, CI, confidence interval; TB, tuberculosis; MDR-TB, multidrug-resistant tuberculosis; –unable to calculate.*Independent of sex and origin; non-Beijing strains are the reference group.†Of respiratory cases, 371 cases among those aged ‡p = 0.042.§There were 76 respiratory TB cases diagnosed after 1992 that had sputum smear positive specimens collected on or before the date of diagnosis among those born in the Western Pacific and 245 cases among those born elsewhere.∥p = 0.072.