{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T15:24:02Z","timestamp":1790090642985,"version":"4.0.1"},"reference-count":57,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2021,10,18]],"date-time":"2021-10-18T00:00:00Z","timestamp":1634515200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"PhD Studentship from the University of Hail","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}]},{"DOI":"10.13039\/501100020624","name":"NIHR Nottingham Biomedical Research Centre","doi-asserted-by":"publisher","award":["N\/A"],"award-info":[{"award-number":["N\/A"]}],"id":[{"id":"10.13039\/501100020624","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Endoscopy is the gold standard for objective assessment of colonic disease activity in inflammatory bowel disease (IBD). Non-invasive colonic imaging using bowel ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) may have a role in quantifying colonic disease activity. We reviewed the diagnostic accuracy of these modalities for assessment of endoscopically or histopathologically defined colonic disease activity in IBD. We searched Embase, MEDLINE, and the Web of Science from inception to 20 September 2021. QUADAS-2 was used to evaluate the studies\u2019 quality. A meta-analysis was performed using a bivariate model approach separately for MRI and US studies only, and summary receiver operating characteristic (ROC) curves were obtained. CT studies were excluded due to the absence of diagnostic test data. Thirty-seven studies were included. The mean sensitivity and specificity for MRI studies was 0.75 and 0.91, respectively, while for US studies it was 0.82 and 0.90, respectively. The area under the ROC curves (AUC) was 0.88 (95% CI, 0.82 to 0.93) for MRI, and 0.90 (95% CI, 0.75 to 1.00) for US. Both MRI and US show high diagnostic accuracy in the assessment of colonic disease activity in IBD patients.<\/jats:p>","DOI":"10.3390\/diagnostics11101926","type":"journal-article","created":{"date-parts":[[2021,10,18]],"date-time":"2021-10-18T16:43:55Z","timestamp":1634575435000},"page":"1926","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Diagnostic Accuracy of Non-Invasive Imaging for Detection of Colonic Inflammation in Patients with Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3481-7871","authenticated-orcid":false,"given":"Meshari T.","family":"Alshammari","sequence":"first","affiliation":[{"name":"Department of Diagnostic Radiology, College of Applied Medical Sciences, University of Hail, Hail 55473, Saudi Arabia"},{"name":"Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2033-1056","authenticated-orcid":false,"given":"Rebecca","family":"Stevenson","sequence":"additional","affiliation":[{"name":"Precision Imaging Beacon, University of Nottingham, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Buraq","family":"Abdul-Aema","sequence":"additional","affiliation":[{"name":"East Midlands North Deanery, Queen\u2019s Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangyong","family":"Zou","sequence":"additional","affiliation":[{"name":"Department of Epidemiology & Biostatistics, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada"},{"name":"Department of Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vipul","family":"Jairath","sequence":"additional","affiliation":[{"name":"Department of Epidemiology & Biostatistics, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada"},{"name":"Department of Medicine, Schulich School of Medicine & Dentistry, University of Western Ontario, London, ON N6A 5C1, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2226-0810","authenticated-orcid":false,"given":"Shellie","family":"Radford","sequence":"additional","affiliation":[{"name":"Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9092-4300","authenticated-orcid":false,"given":"Luca","family":"Marciani","sequence":"additional","affiliation":[{"name":"Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8906-6908","authenticated-orcid":false,"given":"Gordon W.","family":"Moran","sequence":"additional","affiliation":[{"name":"Translational Medical Sciences and National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham NG7 2UH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2769","DOI":"10.1016\/S0140-6736(17)32448-0","article-title":"Worldwide incidence and prevalence of inflammatory bowel disease in the 21st century: A systematic review of population-based studies","volume":"390","author":"Ng","year":"2018","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1093\/ecco-jcc\/jjx138","article-title":"Changes in Disease Behaviour and Location in Patients with Crohn's Disease After Seven Years of Follow-Up: A Danish Population-based Inception Cohort","volume":"12","author":"Lo","year":"2018","journal-title":"J. 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