Kappa coefficient (95% confidence interval) for the intra- and inter-observer agreement in the interpretation of chest radiograph at the first and the second readings.

<p>R1, first reading; R2, second reading; CI, confidence interval; Max, maximum.</p><p>Kappa coefficient (95% confidence interval) for the intra- and inter-observer agreement in the interpretation of chest radiograph at the first and the second readings.</p

Flow diagram of the study.

<p>Flow diagram of the study.</p

Multivariate logistic regression analysis for associated clinical and laboratory findings for the occurrence of pulmonary MDR-TB.

<p>Predictors entering the model: number of prior TB; duration of illness; sputum AFB positive; cavities; pleural effusion; atelectasis. MDR, multidrug-resistant; TB, tuberculosis; CI, confidence interval; AFB, acid fast bacilli.</p><p>Multivariate logistic regression analysis for associated clinical and laboratory findings for the occurrence of pulmonary MDR-TB.</p

Chest radiograph showing multiple cavities in both upper zones of the six lung zones using as landmark the mid-section of the hilar structure, the second anterior rib below the mid-section of the hilar structure, and the cardiac angle.

<p>Chest radiograph showing multiple cavities in both upper zones of the six lung zones using as landmark the mid-section of the hilar structure, the second anterior rib below the mid-section of the hilar structure, and the cardiac angle.</p

Baseline characteristics of 145 patients with pulmonary MDR-TB and 145 patients with drug-sensitive pulmonary TB.

<p>MDR, multidrug-resistant; TB, tuberculosis; CI, confidence interval.</p><p>Baseline characteristics of 145 patients with pulmonary MDR-TB and 145 patients with drug-sensitive pulmonary TB.</p

Univariate analysis for associated clinical and laboratory findings for the occurrence of pulmonary MDR-TB.

<p>MDR, multidrug-resistant; TB, tuberculosis; CI, confidence interval; AFB, acid fast bacilli.</p><p>Univariate analysis for associated clinical and laboratory findings for the occurrence of pulmonary MDR-TB.</p