Page 143 - EJMO-9-2

Eurasian Journal of
Medicine and Oncology Ovarian cyst differentiation score

Table 1. Characteristics of patients with ovarian endometriomas and ovarian cystadenomas

Characteristics Training cohort Validation cohort
Cystadenomas Endometriotic p Cystadenomas Endometriotic p
(n=83) cysts (n=68) (n=31) cysts (n=20)
CA125, (%) <0.001 0.009
Normal 74 (89.2) 13 (19.1) 26 (83.9) 9 (45)
Elevated 9 (10.8) 55 (80.9) 5 (16.1) 11 (55)
Age (years), (%) <0.001
≤20 6 (7.2) 1 (1.5) <0.001
21 – 50 31 (37.3) 66 (97.1) 19 (61.3) 1 (5)
>50 46 (55.4) 1 (1.5) 11 (35.5) 19 (95)
Wall thickness, (%) <0.001 1 (3.2) 0 (0) <0.001
<2 mm 61 (73.5) 7 (10.3) 31 (100) 1 (5)
≥2 mm 22 (26.5) 61 (89.7) 0 (0) 19 (95)
Marginal adhesions, (%) <0.001 <0.001
Absent 78 (94) 18 (26.5) 31 (100) 6 (30)
Present 5 (6) 50 (73.5) 0 (0) 14 (70)
Density heterogeneity, (%) <0.001 0.002
Uniform 69 (83.1) 22 (32.4) 23 (74.2) 5 (25)
Mild to moderate 11 (13.3) 43 (63.2) 8 (25.8) 15 (75)
Severe 3 (3.6) 3 (4.4) 0 (0) 0 (0)
Contour, (%) <0.001
Regular 67 (80.7) 15 (22.1)
Irregular 16 (19.3) 53 (77.9)
Pelvic fluid, (%) <0.001
Absent 71 (85.5) 41 (60.3)
Present 12 (14.5) 27 (39.7)
Longitudinal diameter, (%) <0.001
<5 cm 8 (9.6) 18 (26.5)
5 – 10 cm 30 (36.1) 43 (63.2)
≥10 cm 45 (54.2) 7 (10.3)
Clinical symptoms, (%) 0.010
Asymptomatic 37 (44.6) 34 (50)
Dysmenorrhea, infertility 10 (12) 18 (26.5)
Abdominal pain, bloating 35 (42.2) 14 (20.6)
Others 1 (1.2) 2 (2.9)
Cyst number, (%) 0.006
Single 75 (90.4) 50 (73.5)
Multiple 8 (9.6) 18 (26.5)
Hemoglobin 124 (116 – 132) 124 (117 – 130) 0.809
Calcification, (%) 0.058
Absent 74 (89.2) 66 (97.1)
Present 9 (10.8) 2 (2.9)
Solid component, (%) 0.611
Absent 81 (97.6) 66 (97.1)
Present 2 (2.4) 2 (2.9)

Volume 9 Issue 2 (2025) 135 doi: 10.36922/ejmo.8507