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Table 3 Prolapsing segments suggested by the two observers (number of correct segments in parenthesis)

From: Mitral valve analysis adding a virtual semi-transparent annulus plane for detection of prolapsing segments

Prolapsing segments Surgical findings Observer I Observer II
A1 1 0 0
A2 8 8(7) 5(5)
A3 6 5(4) 7(4)
P1 2 1(0) 1(0)
P2 31 31(30) 30(29)
P3 5 2(2) 5(2)
Number 53 47 48
Sensitivity   0.81 0.77
Specificity   0.97 0.96