Table 1. Participant and nodule characteristics.

Subjects	Overall
Age (year)†	53 (44.5–62)
Sex, n [%]
Men	64 [31]
Women	145 [69]
Nodule diameter (mm)†	10.3 (9.13–12.9)
Nodule location, n [%]
RUL	78 [37]
RML	2 [1]
RLL	39 [19]
LUL	58 [28]
LLL	32 [15]
Image features on CT, n [%]
GGO	169 [81]
Part solid	40 [19]

^†, data are medians, with interquartile ranges in parentheses. RUL, right upper lung; RML, right middle lung; RLL, right lower lung; LUL, left upper lung; LLL, left lower lung; GGO, ground-glass opacity.