Table 4 Diagnostic accuracy of cut-off values of pulsed-wave Doppler indices derived from protocol A and prospectively tested in protocol B for predicting an invasive PAOP ≤ 18 mmHg

E/A = 1.4

75 (53–89)

100 (60–100)

100 (78–100)

57 (30–81)

DT_E > 100 ms

81 (57–94)

63 (26–90)

85 (61–96)

56 (23–85)

AFF^a > 31%

79 (57–92)

63 (26–90)

86 (64–96)

50 (20–80)

S/D > 0.65

96 (77–100)

100 (60–100)

100 (82–100)

89 (51–99)

SF^b > 44%

92 (71–99)

88 (47–99)

96 (76–100)

78 (40–96)