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.