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Item Non-invasive testing for early detection of neovascular macular degeneration in unaffected second eyes of older adults : EDNA diagnostic accuracy study(2022-02) Banister, Katie; Cook, Jonathan A.; Scotland, Graham; Azuara-Blanco, Augusto; Goulao, Beatriz; Heimann, Heinrich; Hernández, Rodolfo Andrés; Hogg, Ruth E; Kennedy, Charlotte; Sivaprasad, Sobha; Ramsay, Craig; Chakravarthy, Usha; EDNA study group; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health Sciences; University of Aberdeen.Health Economics Research UnitItem Placebo comparator group selection and use in surgical trials : the ASPIRE project including expert workshop(2021-09-30) Beard, David J.; Campbell, Marion K.; Blazeby, Jane M.; Carr, Andrew J.; Weijer, Charles; Cuthbertson, Brian H.; Buchbinder, Rachelle; Pinkney, Thomas; Bishop, Felicity L.; Pugh, Jonathan; Cousins, Sian; Harris, Ian; Lohmander, L. Stefan; Blencowe, Natalie; Gillies, Katie; Probst, Pascal; Brennan, Carol; Cook, Andrew; Farrar-Hockley, Dair; Savulescu, Julian; Huxtable, Richard; Rangan, Amar; Tracey, Irene; Brocklehurst, Peter; Ferreira, Manuela L.; Nicholl, Jon; Reeves, Barnaby C.; Hamdy, Freddie; Rowley, Samuel C. S.; Lee, Naomi; Cook, Jonathan A.; University of Aberdeen.Medicine, Medical Sciences & Nutrition; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health SciencesItem Considerations and methods for placebo controls in surgical trials (ASPIRE guidelines)(2020-03-07) Beard, David J; Campbell, Marion K; Blazeby, Jane M.; Carr, Andrew J.; Weijer, Charles; Cuthbertson, Brian H.; Buchbinder, Rachelle; Pinkney, Thomas; Bishop, Felicity; Pugh, Jonathan; Cousins, Sian; Harris, Ian; Lohmander, L. Stefan; Blencowe, Natalie; Gillies, Katie; Probst , Pascal; Brennan, Carol; Cook, Andrew; Farrah-Hockley, Dair; Savulescu, Julian; Huxtable, Richard; Rangan, Amar; Tracey, Irene; Brocklehurst, Peter; Ferreira, Manuela L.; Nicholl, Jon; Reeves, Barnaby C.; Hamdy, Freddie; Rowley, Samuel C. S.; Cook, Jonathan A.; University of Aberdeen.Vice Principals; University of Aberdeen.Institute of Applied Health Sciences; University of Aberdeen.Aberdeen Centre for EvaluationItem Practical help for specifying the target difference in sample size calculations for RCTs : The DELTA2 five-stage study, including a workshop(2019-10-30) Cook, Jonathan A.; Julious, Steven A.; Sones, William; Hampson, Lisa V.; Hewitt, Catherine; Berlin, Jesse A.; Ashby, Deborah; Emsley, Richard; Fergusson, Dean A.; Walters, Stephen J.; Wilson, Edward C.F.; Maclennan, Graeme; Stallard, Nigel; Rothwell, Joanne C.; Bland, Martin; Brown, Louise; Ramsay, Craig R.; Cook, Andrew; Armstrong, David; Altman, Douglas; Vale, Luke D.; University of Aberdeen.Centre for Healthcare Randomised Trials (CHaRT); University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Institute of Applied Health SciencesItem DELTA 2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial(2018-11-05) Cook, Jonathan A.; Julious, Steven A.; Sones, William; Hampson, Lisa V.; Hewitt, Catherine; Berlin, Jesse A.; Ashby, Deborah; Emsley, Richard; Fergusson, Dean A.; Walters, Stephen J.; Wilson, Edward C.F.; MacLennan, Graeme; Stallard, Nigel; Rothwell, Joanne C.; Bland, Martin; Brown, Louise; Ramsay, Craig R.; Cook, Andrew; Armstrong, David; Altman, Doug; Vale, Luke D.; University of Aberdeen.Centre for Healthcare Randomised Trials (CHaRT); University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Institute of Applied Health SciencesItem DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial(2018-11-05) Cook, Jonathan A.; Julious, Steven A.; Sones, William; Hampson, Lisa V.; Hewitt, Catherine; Berlin, Jesse A.; Ashby, Deborah; Emsley, Richard; Fergusson, Dean A.; Walters, Stephen J.; Wilson, Edward C.F.; Maclennan, Graeme; Stallard, Nigel; Rothwell, Joanne C.; Bland, Martin; Brown, Louise; Ramsay, Craig R.; Cook, Andrew; Armstrong, David; Altman, Doug; Vale, Luke D.; University of Aberdeen.Centre for Healthcare Randomised Trials (CHaRT); University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Institute of Applied Health Sciences; University of Aberdeen.Aberdeen Centre for EvaluationItem Cost Effectiveness of Stapled Haemorrhoidopexy and Traditional Excisional Surgery for the Treatment of Haemorrhoidal Disease(2018-09) Kilonzo, Mary M.; Brown, Steven R.; Bruhn, Hanne; Cook, Jonathan A.; Hudson, Jemma; Norrie, John; Watson, Angus J. M.; Wood, Jessica; University of Aberdeen.Health Economics Research Unit; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health SciencesItem Comparison of stapled haemorrhoidopexy with traditional excisional surgery for haemorrhoidal disease (eTHoS) : a pragmatic, multicentre, randomised controlled trial(2016-11-12) Watson, Angus J. M.; Hudson, Jemma; Wood, Jessica; Kilonzo, Mary; Brown, Steven R.; McDonald, Alison; Norrie, John; Bruhn, Hanne; Cook, Jonathan A.; eTHoS study group; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Health Economics Research Unit; University of Aberdeen.Institute of Applied Health Sciences; University of Aberdeen.Other Applied Health SciencesItem A systematic review of the use of an expertise-based randomised controlled trial design(2015-05-30) Cook, Jonathan A.; Elders, Andrew; Boachie, Charles; Bassinga, Ted; Fraser, Cynthia Mary; Altman, Doug; Boutron, Isabelle; Ramsay, Craig R; MacLennan, Graeme S; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health SciencesItem Specifying the target difference in the primary outcome for a randomised controlled trial : guidance for researchers(2015-01-15) Cook, Jonathan A.; Hislop, Jenni; Altman, Douglas G.; Fayers, Peter; Briggs, Andrew H.; Ramsay, Craig R.; Norrie, John D.; Harvey, Ian M.; Buckley, Brian; Fergusson, Dean; Ford, Ian; Vale, Luke D.; DELTA group; University of Aberdeen.Other Applied Health Sciences; University of Aberdeen.Aberdeen Centre for Evaluation; University of Aberdeen.Institute of Applied Health Sciences