Kwakkenbos, LindaImran, MahrukhMcCall, Stephen JMcCord, Kimberly AFröbert, OleHemkens, Lars GZwarenstein, MerrickRelton, ClareRice, Danielle BLangan, Sinéad MBenchimol, Eric IThabane, LehanaCampbell, Marion KSampson, MargaretErlinge, DavidVerkooijen, Helena MMoher, DavidBoutron, IsabelleRavaud, PhilippeNicholl, JonUher, RudolfSauvé, MaureenFletcher, JohnTorgerson, DavidGale, ChrisJuszczak, EdmundThombs, Brett D2021-05-042021-05-042021-04-29Kwakkenbos, L, Imran, M, McCall, S J, McCord, K A, Fröbert, O, Hemkens, L G, Zwarenstein, M, Relton, C, Rice, D B, Langan, S M, Benchimol, E I, Thabane, L, Campbell, M K, Sampson, M, Erlinge, D, Verkooijen, H M, Moher, D, Boutron, I, Ravaud, P, Nicholl, J, Uher, R, Sauvé, M, Fletcher, J, Torgerson, D, Gale, C, Juszczak, E & Thombs, B D 2021, 'CONSORT extension for the reporting of randomised controlled trials conducted using cohorts and routinely collected data (CONSORT-ROUTINE) : checklist with explanation and elaboration', BMJ, vol. 373, n857. https://doi.org/10.1136/bmj.n8570959-8146RIS: urn:3654F33230CA51B3893B9D76FA54C922ORCID: /0000-0003-0078-7010/work/93483278ORCID: /0000-0001-5386-4097/work/93483350https://hdl.handle.net/2164/16372Funding: The development of the CONSORT extension for randomised controlled trials conducted using cohorts and routinely collected data (CONSORT-ROUTINE) was funded by grants from the Canadian Institutes of Health Research (PI BDT, Co-Is OF, CR, LK, and EJ, No PJT-156172; PI BDT, Co-I LK, No PCS-161863) and from the United Kingdom National Institute of Health Research (NIHR) Clinical Trials on 4 May 2021 at University of Aberdeen. Protected by copyright. http://www.bmj.com/ BMJ: first published as 10.1136/bmj.n857 on 29 April 2021. Downloaded from Research Methods and Reporting the bmj | BMJ 2021;373:n857 | doi: 10.1136/bmj.n857 19 Unit Support Funding (PI EJ, Co-PI CG, supported salary of SJM). The views expressed are those of the authors and not necessarily those of the NHS, the NIHR, or the Department of Health and Social Care. DBR was supported by a Vanier CIHR Graduate Scholarship. SML was supported by a Wellcome Senior Clinical Fellowship in Science (205039/Z/16/Z). EIB was supported by a New Investigator Award from the Canadian Institutes of Health Research, Canadian Association of Gastroenterology, and Crohn’s and Colitis Canada. He was also supported by the Career Enhancement Program of the Canadian Child Health Clinician Scientist Program. DM was supported by a University Research Chair (uOttawa). RU was supported by the Canada Research Chairs Program (Award No 231397). CG was supported by the UK Medical Research Council through a Clinician Scientist Fellowship. BDT was supported by a Tier 1 Canada Research Chair.20878073engR MedicineNational Institute for Health Research (NIHR)Other205039/Z/16/ZMedical Research Council (MRC)Supplementary InformationRJournal article10.1136/bmj.n857373