Comparison of methods of diagnosis in MDR-TB cases and controls.

*<p>Median (inter-quartile range (IQR)).</p><p>AFB = acid fast bacilli, GW = gastric washing, BAL = bronchoalveolar lavage.</p><p>FNA = fine needle aspiration of a lymph node/TB mass.</p><p>NA = Not applicable.</p

Comparison of outcomes for MDR-TB cases and controls.

*<p>Median (interquartile (IQR) range).</p><p>C of O = country of origin.</p><p>NA = not applicable.</p

Comparison of MDR-TB cases diagnosed by <i>rpoB</i> mutation versus culture alone.

<p>IQR = interquartile range.</p><p>AE = adverse event.</p

Flow chart illustrating the 22 year case-control patients selected for the study.

<p>Flow chart illustrating the 22 year case-control patients selected for the study.</p

Comparison of risk factors amongst MDR-TB cases and controls.

*<p>Odds ratio given for a 10 year increase in age.</p><p>NA = Not applicable.</p><p>NS = Not significant.</p><p>SEA = Southeast Asia.</p><p>ISC = Indian subcontinent (India, Pakistan and Sri Lanka).</p