Table 2 Summary estimates of sensitivity, specificity, DOR, LR+, LR−, SROC curve (AUC ± SE, Q^* ± SE) of US and MRI for identification of PAS in different subgroup

92 (87–96)

86 (81–90)

77 (27–220)

8.63 (3.21–23.16)

0.10 (0.06–0.18)

0.96 ± 0.01

0.90 ± 0.02

93 (88–97)

91 (87–94)

96 (24–385)

8.05 (3.79–17.11)

0.12 (0.05–0.25)

0.96 ± 0.02

0.91 ± 0.03

88 (83–92)

80 (75–85)

24 (10–57)

3.55 (2.09–6.03)

0.21 (0.13–0.34)

0.90 ± 0.03

0.83 ± 0.03

85 (79–90)

82 (77–87)

21 (8–54)

4.09 (2.52–6.64)

0.22 (0.13–0.37)

0.89 ± 0.04

0.83 ± 0.04

90 (83–94)

88 (83–92)

51 (16–161)

6.24 (2.40–16.24)

0.17 (0.10–0.28)

0.94 ± 0.02

0.88 ± 0.03

90 (84–95)

89 (85–93)

62 (13–305)

6.77 (2.68–17.11)

0.14 (0.06–0.33)

0.97 ± 0.01

0.92 ± 0.02

90 (85–94)

79 (74–84)

32 (13–78)

4.38 (2.68–7.15)

0.16 (0.09–0.27)

0.91 ± 0.04

0.84 ± 0.04

88 (82–92)

85 (80–88)

30 (13–67)

5.00 (3.79–6.6)

0.19 (0.11–0.32)

0.90 ± 0.02

0.83 ± 0.02