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Table 3 Multivariate regression analysis of CT findings in sputum smear-negative TB suspects

From: Fiberoptic bronchoscopy for the rapid diagnosis of smear-negative pulmonary tuberculosis

Characteristic All suspects TB Non-TB P-value OR (95% CI)
  N = 126 N = 54 N = 72   
Consolidation, n (%) 88 (69.8) 38 (70.4) 50 (69.4) 0.726 1.05 (0.484–2.257)
Nodule, n (%) 50 (39.7) 23 (42.6) 27 (37.5) 0.435 1.24 (0.602–2.541)
Cavity, n (%) 23 (18.3) 15 (27.8) 8 (11.1) 0.050 3.08 (1.195–7.924)
Tree-in-bud, n (%) 52 (41.3) 34 (63.0) 18 (25.0) <0.001 5.10 (2.366–10.991)
Mediastinal LAP, n (%) 53 (42.1) 26 (48.1) 27 (37.5) 0.940 1.55 (0.756–3.167)
  1. Definition of abbreviations: CT = computed tomography, TB = tuberculosis, n = number, OR = odds ratio, 95% CI = 95% confidence interval, LAP = lymphadenopathy.