Radiological Findings in Patients with Pulmonary Tuberculosis.

Culture and smear results were based off of the first three sputum samples. Radiological findings were based on the first chest X-ray obtained at initial presentation, and if performed, on the initial chest CT scan. Abbreviations: CT, computed tomography; Cx-, culture-negative; Cx+, culture-positive; Sm-, smear-negative; Sm+, smear-positive; Inf, infiltrates. a Determined for 3-group comparison: Cx- vs. Sm-Cx+ vs. Sm+Cx+. b Determined for 2-group comparison: Cx- vs. All Cx+. ** P < 0.01 for a priori comparison of group to Cx-. *** P < 0.001 for a priori comparison of group to Cx-. Radiological Findings in Patients with Pulmonary Tuberculosis.