Table 3 Accuracy of pre-operative ultrasound diagnosis of endometriotic lesions affecting different pelvic organs

Ovarian endometrioma N = 75

84.0 (95% CI 73.7 – 91.4)

95.6(95% CI 92.8 – 97.6)

81.8 (95% CI 71.8 – 90.6)

96.2 (95% CI 93.5 – 97.8)

19.26 (95% CI 11.431 – 32.451)

0.167 (95% CI 0.10 – 0.281)

0.898 (95% CI 0.864 – 0.926)

P = 0.0001

DIE of bladder N = 5

100 (95% CI 48.0 – 100)

100 (95% CI 98.1 – 100)

100 (95% CI 48.0 – 100)

100 (95% CI 98.1 – 100)

∞ (95% CI 0- ∞)

0.00 (95% CI 0- ∞)

1.00 (95% CI 0.981 – 1.00)

P = 0.000

DIE Rectum/Sigmoid N = 9

33.3 (95% CI 12.1 – 64.6)

98.9 (95% CI 96.2 – 99.7)

60 (95% CI 23.1 – 88.2)

96.9 (95% CI 93.4 – 98.6)

31.5 (95% CI 5.992 – 165.6)

0.674 (95% CI 0.424 – 1.07)

0.661 (95% CI 0.591 – 0.727)

P = 0.111

RV DIE N = 32

50.0 (95% CI 33.6 – 66.4)

100 (95% CI 97.7 – 100)

100 (95% CI 80.6 – 100)

96.9 (95% CI 93.4 – 98.6)

∞ (95% CI 0- ∞)

0.50 (95% CI 0.354 – 0.707)

0.758 (95% CI 0.692 – 0.816)

P = 0.0001

DIE of UVF N = 6

16.7 (95% CI 2.8 – 63.9)

99.0 (95% CI 96.3 – 99.8)

33.3 (95% CI 6.1 – 79.2)

97.4 (95% CI 94.2 – 98.9)

16.0 (95% CI 1.68 – 153.94)

0.84 (95% CI 0.589 – 1.205)

0.578 (95% CI 0.506 – 0.648)

P = 0.528

DIE of PSW N = 13

15.4 (95% CI 2.4 – 45.5)

98.17 (95% CI 96.3 – 99.3)

22.2 (95% CI 0.063 – 0.547)

97.2 (95% CI 95.0 – 98.4)

8.421 (95% CI 1.933 – 36.65)

0.862 (95% CI 0.683 – 1.087)

0.568 (95% CI 0.517 – 0.617)

P = 0.419

DIE of USL N = 40

10.0 (95% CI 2.9 – 23.7)

99.16(95% CI 97.6 – 99.8)

57.1 (95% CI 25.0 – 84.2)

90.7 (95% CI 87.5 – 93.2)

11.867 (95% CI 2.754 – 51.14)

0.908 (95% CI 0.818 – 1.007)

0.546 (95% CI 0.495 – 0.596)

P = 0.351