Table 3 Agreement between sonography indexes and gold standard measurement for diagnosis of placenta accreta spectrum*

95.9 (88.6–99.1)

0.92

90.3 (74.3–98)

100 (91.8–100)

< 0.001

94.6 (86.7–98.5)

0.89

100 (88.8–100)

90.7 (77.9–97.4)

< 0.001

91.9 (83.2–97.0)

0.84

86.0 (72.1–94.7)

100 (88.8–100)

< 0.001

90.5 (81.5–96.1)

0.81

85.3 (68.9–95.1)

95.0 (83.1–99.4)

< 0.001

91.5 (87.4–94.6)

0.73

98.0 (95.0–99.5)

68.4 (54.8–80.1)

< 0.001

78.4 (67.3–87.1)

0.58

96.8 (83.3–99.9)

65.1 (49.1–79.0)

< 0.001

71.6 (60.0–81.5)

0.46

53.5 (37.7–68.8)

96.8 (8.3–99.9)

< 0.001

66.2 (54.3–76.8)

0.38

100 (88.8–100)

41.9 (27.0–57.9)

< 0.001

66.2 (54.3–76.8)

0.38

100 (88.8–100)

41.9 (27.0–57.9)

< 0.001