Tumor stage

Diagnostic value

ADNEX model

MRI

X²

P

Benign

Accuracy (%)

78.6

80.1

0.09

0.764

Sensitivity (%)

72.0

75.3

0.249

0.618

Specificity (%)

93.0

90.7

0.156

0.693

Positive predictive value (%)

95.7

94.6

0.098

0.755

Negative predictive value (%)

60.6

62.9

0.071

0.789

Borderline

Accuracy (%)

86.0

95.6

7.44

0.006

Sensitivity (%)

50.0

?

4.000

0.046

Specificity (%)

87.8

100

17.049

?

Positive predictive value (%)

15.8

?

?

?

Negative predictive value (%)

97.4

95.6

6.26

0.429

I stage

Accuracy (%)

91.9

88.2

1.028

0.311

Sensitivity (%)

25.0

62.5

2.286

0.131

Specificity (%)

96.1

89.8

3.824

0.051

Positive predictive value (%)

28.6

27.8

0.002

0.968

Negative predictive value (%)

95.3

97.5

0.781

0.377

II to IV stage

Accuracy (%)

86.8

78.7

3.112

0.078

Sensitivity (%)

90.9

81.8

0.772

0.380

Specificity (%)

86.0

78.1

2.409

0.121

Positive predictive value (%)

55.6

41.9

1.472

0.225

Negative predictive value (%)

98.0

95.7

0.847

0.357

Metastatic

Accuracy (%)

93.4

94.1

0.063

0.802

Accuracy (%)

14.3

?

1.077

0.299

Sensitivity (%)

97.7

99.2

1.016

0.314

Specificity (%)

25.0

?

0.313

0.576

Positive predictive value (%)

95.5

94.8

0.059

0.808