Table 3.

Characteristics of the VGHTPE testing dataset and JSRT dataset.

	VGHTPE Testing	JSRT
N	100	154
Age, median	64.5	60.0
Gender, male (%)	56 (56)	68 (44.2)
Nodule size, N (%)
<6 mm	0 (0.0)	2 (1.3)
6–10 mm	4 (4.0)	29 (18.8)
10–20 mm	29 (29.0)	88 (57.1)
20–30 mm	33 (33.0)	31 (20.1)
>30mm	34 (34.0)	4 (2.6)

IQR—interquartile range; JSRT—Japanese Society of Radiological Technology; VGHTPE—Taipei Veterans General Hospital.