Table 3 Prediction set validation

From: Weakly supervised classification of aortic valve malformations using unlabeled cardiac MRI sequences

 

Q1

Q2

Q3

Q4

Overall

Total BAV

24% (6)

28% (7)

36% (9)

24% (6)

28%

Total non-BAV valve pathologies

48% (12)

44% (11)

40% (10)

56% (14)

47%

Total flow/image artifacts

28% (7)

28% (7)

24% (6)

20% (5)

25%

Aortic stenosis

40% (10)

44% (11)

28% (7)

36% (9)

37%

Aortic insufficiency

4% (1)

8% (2)

16% (4)

16% (4)

11%

Tethered/thickened leaflet

16% (4)

4% (1)

20% (5)

24% (6)

16%

Turbulent flow artifact

40% (10)

40% (10)

20% (5)

36% (9)

34%

Image artifact

4% (1)

4% (1)

0% (0)

4% (1)

3%

Total Subjects

25

25

25

25

100

  1. Bold rows are disjoint category counts for true BAV, confounding non-BAV valve pathologies, and imaging artifacts. Italicized rows contain categories where counts may overlap with non-BAV valve pathologies and image artifacts