Proportion of patients with smear negative pulmonary tuberculosis by score values in subjects without and with previous history of tuberculosis.

<p>Proportion of patients with smear negative pulmonary tuberculosis by score values in subjects without and with previous history of tuberculosis.</p

Prevalence of Smear Negative Pulmonary Tuberculosis (SNPT) according to score and history of previous tuberculosis, Lima, Peru, 2005–2008.

<p>Prevalence of Smear Negative Pulmonary Tuberculosis (SNPT) according to score and history of previous tuberculosis, Lima, Peru, 2005–2008.</p

Adjusted Odds Ratios for predictive variables included in the evaluated score [17] for smear negative pulmonary tuberculosis. Lima, Peru, 2005–2008.

<p>*Not-entered in the model since the only two cases with miliary infiltrate and no previous history of TB had a final diagnosis of pulmonary tuberculosis.</p

Sociodemographic, clinical and radiological variables in smear negative patients with and without pulmonary tuberculosis. Lima, Peru, 2005–2008.

<p>Values in parenthesis are percentages unless otherwise indicated.</p><p>†Results available for 408 patients who accepted voluntary counselling and testing.</p><p>*Based on Fisher exact test.</p><p>PTB  =  Pulmonary tuberculosis.</p

Comparison of ROC curves for the score in patients without (blue) and with (red) previous history tuberculosis.

<p>Comparison of ROC curves for the score in patients without (blue) and with (red) previous history tuberculosis.</p