Pelvis Areas investigated for DE Index tests Sensitivity (%) Specificity (%) This study Previous literature (author, year) This study Previous literature (author, year) Anterior compartment Bladder TVS 89.0 62.0 (Guerriero, 2015) [4 ] 100.0 100 (Guerriero, 2015) [4 ] 100 (Exacoustos, 2014) [12 ] 96.8 (Exacoustos, 2014) [12 ] 44.0 (Savelli, 2009) [23 ] 100 (Savelli, 2009) [23 ] MRI 100.0 64.0 (Medeiros, 2015) [5 ] 95.0 98.0 (Medeiros, 2015) [5 ] 81.0 (Krüger, 2013) [20 ] 94.7 (Krüger, 2013) [20 ] Posterior compartment USL TVS 74.0 67.0 (Guerriero, 2018) [3 ] 67.0 86.0 (Guerriero, 2018) [3 ] MRI 94.0 70.0 (Guerriero, 2018) [3 ] 60.0 93.0 (Guerriero, 2018) [3 ] 85.0 (Medeiros, 2015) [5 ] 80.0 (Medeiros, 2015) [5 ] 77.5 (Krüger, 2013) [20 ] 68.2 (Krüger, 2013) [13 ] Right USL TVS 56.0 80.7 (Exacoustos, 2014) [12 ] 84.0 87.2 (Exacoustos, 2014) [12 ] MRI 94.0 93.0 (Bazot, 2011) [24 ] 65.0 72.0 (Bazot, 2011) [24 ] Left USL TVS 81.0 82.8 (Exacoustos, 2014) [12 ] 100.0 85.0 (Exacoustos, 2014) [12 ] MRI 88.0 89.0 (Bazot, 2011) [24 ] 91.0 61.0 (Bazot, 2011) [24 ] Rectum lower/upper TVS 100.0 89.7§ (Exacoustos, 2014) [12 ] 100.0 86.2§ (Exacoustos, 2014) [12 ] 94.4 (Exacoustos, 2014) [12 ] 84.9 (Exacoustos, 2014) [12 ] MRI 100.0 — 100.0 — Rectosigmoid TVS 94.0 85.0 (Guerriero, 2018) [3 ] 84.0 96.0 (Guerriero, 2018) [3 ] MRI 94.0 85.0 (Guerriero, 2018) [3 ] 84.0 95.0 (Guerriero, 2018) [3 ] 83.0 (Medeiros,2015) [5 ] 88.0 (Medeiros, 2015) [5 ] 80.2 (Krüger, 2013) [20 ] 77.5 (Krüger, 2013) [20 ] RVS TVS 67.0 59.0 (Guerriero, 2018) [3 ] 100.0 97.0 (Guerriero, 2018) [3 ] 73.9 (Exacoustos, 2014) [12 ] 86.2 (Exacoustos, 2014) [12 ] MRI 83.0 66.0 (Guerriero, 2018) [3 ] 93.0 97.0 (Guerriero, 2018) [3 ] 77.0 (Medeiros, 2015) [5 ] 95.0 (Medeiros, 2015) [5 ] Vagina TVS 55.0 58.6 (Exacoustos, 2014) [12 ] 100.0 82.7 (Exacoustos, 2014) [12 ] MRI 73.0 82.0 (Medeiros, 2015) [5 ] 95.0 82.0 (Medeiros, 2015) [5 ] 81.4 (Krüger, 2013) [20 ] 81.7 (Krüger, 2013) [20 ]