Table 5 Diagnostic performance of transverse and longitudinal parameters for detection of depressed RVEF below the median value (< 35%).

Transverse measures

fractional SF level mid-4

0.938 [0.892, 0.985]

0.0236

17.7%

84.2

88.1

< 0.001

ΔSF SF -mid 4

0.906 [0.849, 0.963]

0.0291

7.4 mm

80.7

83.1

< 0.001

Longitudinal measures

fractional TA

0.819 [0.741, 0.896]

0.0397

17.2%

75.4

78.0

< 0.001

TAPSE

0.767 [0.680, 0.854]

0.0442

16.3 mm

70.2

76.3

< 0.001