[Retracted] CT-Assisted Improvements in the Accuracy of the Intraoperative Frozen Section Examination of Ground-Glass Density Nodules

Table 2

Relationships between the CT findings and pathological diagnosis of the 90 cases with GGNs.

Clinical features	Benign/AAH	AIS/MIA	IAC	Total	value
Maximum diameter of GGNs (mm)					<0.001
Average CT value (HU)					<0.001
Lobulation					0.188
Yes	1	7	8	16
No	14	40	20	74
Bronchus sign					0.070
Yes	0	1	4	5
No	15	46	24	85
Pleural indentation					0.278
Yes	4	9	10	23
No	11	38	18	67
Spiculation					0.253
Yes	1	3	5	9
No	14	44	23	81
Air sign					<0.001
Yes	1	2	12	15
No	14	45	16	75
Vascular sign					0.052
Yes	3	12	14	29
No	12	35	14	61
Solid component					0.938
Yes	3	11	5	19
No	12	36	23	71