表 1.

患者特征

Patient characteristics

Characteristic	AAH/AIS (n=22)	MIA (n=31)	IAC (n=170)	P
AAH: atypical adenomatous hyperplasia; AIS: adenocarcinoma in situ; MIA: minimally invasive adenocarcinoma; IAC: invasive adenocarcinoma.
Age (yr)	51.5±7.3	52.2±9.7	56.9±10.0	0.005
Gender (Male: Female)	6:16	16:15	74:96	0.204
Mean CT value (HU)	-552.5±157.4	-416.5±193.4	-104.9±221.1	< 0.001
Diameter (cm)	0.9±0.3	1.0±0.4	1.9±0.5	< 0.001
Volume (mm3)	373.0 (295.0)	457.0 (800.0)	3, 828.0 (5, 559.0)	< 0.001
Malignant probability (%)	82.1±9.1	83.5±7.8	80.5±7.5	< 0.001