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Table 2 Segmental analysis

From: Preoperative scallop-by-scallop assessment of mitral prolapse using 2D-transthoracic echocardiography

Scallops/Segments

n°

Prolapse/Flail

Prevalence (%)

TTE detection

Sensitivity (%)

Specificity (%)

All

462

102

22.1%

92

90.2

100

A1

77

5

6.5%

3

60

100

A2

77

14

18.2%

13

92.8

100

A3

77

3

3.9%

3

100

100

P1

77

6

7.8%

4

66.7

100

P2

77

69

89.6%

68

98.5

100

P3

77

5

6.5%

1

20

100

A

77

14

18.2%

13

92.8

100

P

77

69

89.6%

68

98.5

100

A+P

144

6

7.8%

3

50

100

  1. A: anterior leaflet (A1 and/or A2 and/or A3); P: posterior leaflet (P1 and/or P2 and/or P3); A+P: bileaflet involvement.