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Table 3 Summary of study results: imaging of rectal or recto-sigmoid involvement in deep infiltrating endometriosis

From: Evidence-based gynaecological practice: clinical review 3. The use of imaging for pre-operative planning in deep infiltrating endometriosis involving the rectum

Study

Pre-test probabilitya (n)

Sensitivity% (95% CI)

Specificity% (95% CI)

LR+ (95% CI)

LR− (95% CI)

Post-test probability for study population: positive test (%)

Post-test probability for study population: negative test (%)

Transvaginal Ultrasound

Abrao [10]

52% (54/104)

98 (95,100)

100 (100,100)

∞

0.02 (0.00, 0.1)

>99

2

Menada [17] TVS

83% (75/90)

56.5

92.5

7.57

0.47

97

60

Menada [17] RWC-TVSb,c

83% (75/90)

95.7

100.0

∞

0.04

>99

15

Guerriero [15]

44% (39/88)

67 (55,73)

92 (84, 100)

8.2 (3.1,21.4)

0.4 (0.2,0.6)

87

22

Bazot [11]

67% (54/81)

93 (86,100)

100 (100,100)

∞

0.07 (0.03,0.2)

>99

12

Hudelist [16]

24% (48/200)

96 (90,100)

98 (96, 100)

48.6 (15.8,149.1)

0.04 (0.01,0.2)

94

1

Piketty [18]

56% (75/134)

91 (84,97)

97 (92,100)

26.3 (6.7, 102.8)

0.1 (0.05, 0.2)

97

11

Bazot [19]

68% (63/92)

94 (88,100)

100 (100,100)

∞

0.06 (0.02, 0.2)

>99

11

Trans-rectal ultrasound

Chapron [13]

42% (34/81)

97 (91,100)

89 (81,98)

9.1 (4.0,20.9)

0.03 (0.00, 0.2)

87

2

Delpy [14]

40% (12/40)

92 (76,100)

67 (45,88)

2.8 (1.4,5.0)

0.1 (0.02,0.8)

65

8

Bazot [11]

67% (54/81)

89 (81,97)

93 (83,100)

12.0 (3.2,45.7)

0.1 (0.06,0.3)

96

20

Piketty [18]

56% (75/134)

96 (92,100)

100 (100,100)

∞

0.04 (0.01,0.1)

>99

5

Bazot [19]

68% (63.92)

89 (81,97)

93 (84,100)

12.9 (3.4,49.2)

0.1 (0.06,0.2)

96

20

Magnetic Resonance Imaging (MRI)

Chapron [13]

42% (34/81)

76 (62,91)

98 (94,100)

35.9 (5.1,252.1)

0.2 (0.1,0.4)

98

15

Abrao [10]

52% (54/104)

83 (73,93)

98 (94,100)

41.7 (6.0,291.1)

0.2 (0.09, 0.3)

98

16

Chamie [12]

54% (50/92)

86 (76,96)

93 (85,100)

12.0 (4.0,36.0)

0.2 (0.08, 0.3)

93

15

Bazot [19]

68% (63.92)

87 (79,96)

93 (84,100)

12.7 (3.3,48.4)

0,1 (0.07,0.3)

96

23

  1. aPre-test probability is the prevalence of deep infiltrating endometriosis involving the rectum or rectosigmoid colon.
  2. bFigures published in the paper given, no data were available to construct a 2 × 2 table in order to calculate 95% confidence intervals
  3. cRWC-TVS, water contrast in the rectum combined with TVS
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