Outcome of treatment of culture-positive tuberculosis cases in Canada by drug susceptibility pattern of incident case isolate (1997–2008).

Abbreviations: No., number; vs, versus MDR multidrug-resistant; Tx Treatment.*Outcome definitions: Cure/Tx Complete refers to successful completion of TB therapy, as deemed by their treating physician; Transferred Out refers to patients whose care was initiated in Canada but subsequently continued in another country; Death refers to all-cause mortality during TB treatment; Failure refers to clinical or microbiologic evidence of ongoing disease despite completion of TB treatment; Absconded refers to patients lost to follow-up; Tx ongoing refers to patients remaining on therapy at the time of publication, having had a minimum of 3 years follow-up.†Refers to resistance to one or more first-line drugs but not meeting the definition of MDR.‡Confidence Intervals calculated using Fisher’s exact methods; ORs reaching statistical significance, based on non-overlapping 95% CIs are highlighted in italics.