Application of O-RADS Ultrasound Lexicon-Based Logistic Regression Analysis Model in the Diagnosis of Solid Component-Containing Ovarian Malignancies

Table 1

Univariate analyses of ovarian tumor benignancy/malignancy.

	Benign ()	Malignant (8)	//
Age (years)				0.660
CA125 (U/ml)	17.20 (11.60, 32.90)	93.30 (26.45, 420.50)		0.001
Maximum diameter (mm)	52.00 (39.25, 79.75)	87.00 (63.50, 144.00)		0.001
Maximum diameter of solid component (mm)	30.00 (20.00, 41.75)	45.50 (25.75, 80.25)		0.001
Menopause status
No	72 (62.9)	50 (73.5)		0.544
Yes	32 (30.8)	18 (26.5)
Hysterectomy or not
No	101 (97.1)	67 (98.5)		0.547
Yes	3 (2.9)	1 (1.5)
Unilocular cyst with solid component
No	64 (61.5)	45 (66.2)		0.537
Yes	40 (38.5)	23 (33.8)
Multilocular cyst with solid component
No	84 (80.8)	46 (67.6)		0.049
Yes	20 (19.2)	22 (32.4)
Solid
No	60 (57.7)	45 (66.2)		0.265
Yes	44 (42.3)	23 (33.8)
External contour
Irregular	2 (1.9)	20 (29.4)		0.001
Smooth	102 (98.1)	48 (70.6)
Acoustic shadow in solid component
Absent	43 (41.3)	66 (97.1)		0.001
Present	61 (58.7)	2 (2.9)
Number of papillae
0–3	101 (97.1)	37 (54.4)		0.001
>3	3 (2.9)	31 (45.6)
Vascularity
1	62 (59.6)	3 (4.4)		0.001
2	39 (37.5)	35 (51.5)
3	2 (1.9)	25 (36.8)
4	1 (1.0)	5 (7.4)
Ascites
Absent	101 (97.1)	43 (63.2)		0.001
Present	3 (2.9)	25 (36.8)
Peritoneal thickening or nodules
Absent	103 (99.0)	60 (88.2)		0.001
Present	1 (1.0)	8 (11.8)