Table 1—

Results of ultrasound-guided transbronchial biopsy of 100 single pulmonary nodules of <20 mm in diameter from 100 patients

OverallDetectedNot detectedp-value#
DiagNo diag
Patients n100462133
Mean size mm15.315.716.014.50.28
Lobe n (%)
 Right upper30 (100)13 (43)7 (23)10 (33)0.13
 Right middle6 (100)5 (83)1 (17)00.02
 Right lower17 (100)10 (59)2 (12)5 (29)0.047
 Left upper35 (100)12 (34)7 (20)16 (46)0.43
 Left lower12 (100)6 (50)4 (33)2 (17)0.62
  • All nodules were detected by computed tomography before biopsy. Diag: diagnosis. #: Chi-squared test.