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Table 2 Segmental analysis

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

Scallops/Segments 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.