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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