[Retracted] Application of CT Postprocessing Reconstruction Technique in Differential Diagnosis of Benign and Malignant Solitary Pulmonary Nodules and Analysis of Risk Factors

Table 2

Comparison of CT signs of benign and malignant SPN patients.

Factors	Benign SPN group ()	Malignant SPN group ()
Nodule location
Left lung	28 (43.75%)	31 (36.05%)	0.913	0.339
Right lung	36 (56.25%)	55 (63.95%)
Nodule location
Upper lobe	30 (46.88%)	49 (56.98%)	1.502	0.220
Middle and lower lobes	34 (53.12%)	37 (43.02%)
Nodule density
Solid	54 (84.38%)	74 (86.05%)	0.082	0.775
Subsolid	10 (15.63%)	12 (13.95%)
Nodule diameter (mm)			33.887	<0.001
Lobulation sign
Yes	7 (10.94%)	28 (32.56%)	9.588	0.002
None	57 (89.06%)	58 (67.44%)
Burr sign
Yes	18 (28.13%)	46 (53.49%)	9.650	0.002
None	46 (71.87%)	40 (46.51%)
Calcification component
Yes	20 (31.25%)	2 (2.33%)	24.528	<0.001
None	44 (68.75%)	84 (97.67%)
Ground-glass component
Yes	4 (6.25%)	72 (83.72%)	88.105	<0.001
None	60 (93.75%)	14 (16.28%)
Vacuolar sign
Yes	0 (0.00%)	7 (8.14%)	3.144	0.076
None	64 (100.00%)	79 (91.86%)
Vessel convergence
Yes	3 (4.69%)	10 (11.63%)	2.233	0.135
None	61 (95.31%)	76 (88.37%)
Pleural depression sign
Yes	19 (29.69%)	38 (44.19%)	3.274	0.070
None	45 (70.31%)	48 (55.81%)