Table 1

Baseline characteristics and final diagnoses

VBNA group (n=102)NVBNA group (n=97)
Age (years, median; range)69 (21–85)67 (27–82)
Male, n (%)64 (62.7)57 (58.8)
Lesion size (mm, median; range)18.0 (9.5–30.0)18.0 (7.0–30.0)
 <20 mm, n (%)59 (57.8)59 (60.8)
 20–30 mm, n (%)43 (42.2)38 (39.2)
Lesion location
 Rt. upper lobe, n (%)32 (31.4)35 (36.1)
 Rt. middle lobe, n (%)12 (11.8)6 (6.2)
 Rt. lower lobe, n (%)23 (22.5)18 (18.6)
 Lt. upper lobe, n (%)25 (24.5)21 (21.6)
 Lt. lower lobe, n (%)10 (9.8)17 (17.5)
Final diagnosis
Malignant disease n (%)
 Primary lung cancer n (%)69 (67.6)76 (78.4)
 Other malignant disease n (%)10 (9.8)4 (4.1)
Non-malignant disease n (%)
 Infectious disease n (%)17 (16.7)8 (8.2)
 Other benign condition n (%)5 (4.9)9 (9.3)
 Undetermined n (%)1 (1.0)0 (0)
  • Lt., left; NVBNA, non-virtual bronchoscopic navigation-assisted; Rt., right; VBNA, virtual bronchoscopic navigation-assisted.