TABLE 1

Patient characteristics

Subjects176 (100%)
Age years
 Mean (range)62 (31–87)
 <5028 (15.9%)
 50–5948 (27.3%)
 60–6955 (31.2%)
 ≥7045 (25.6%)
Sex
 Male89 (50.6%)
 Female87 (49.4%)
Lymph node samples
 Mediastinal120 (68.2%)
 Hilar23 (13.1%)
 Both33 (18.7%)
EBUS-TBNA diagnosis
 Non-neoplastic definitive diagnosis60 (34.1%)
 Metastasis from previous malignancy103 (58.5%)
 Different malignancy8 (4.6%)
 False negative5 (2.8%)
Primary cancer
 Breast50 (28.4%)
 Lung46 (26.1%)
 Head and neck16 (9.1%)
 Genitourinary21 (11.9%)
 Female genital tract10 (5.7%)
 Gastrointestinal9 (5.1%)
 Lymphoproliferative8 (4.6%)
 Multiple tumour sites12 (6.8%)
 Other4 (2.3%)

EBUS: endobronchial ultrasound; TBNA: transbronchial needle aspiration.