Items where authors include "Julious, S.A."
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Totton, N. orcid.org/0000-0002-1900-2773, Julious, S.A. orcid.org/0000-0002-9917-7636, Coates, E. orcid.org/0000-0002-2388-6102 et al. (6 more authors) (2023) Appropriate design and reporting of superiority, equivalence and non-inferiority clinical trials incorporating a benefit–risk assessment: the BRAINS study including expert workshop. Health Technology Assessment, 27 (20). ISSN 1366-5278
Junqueira, D.R., Zorzela, L., Golder, S. et al. (18 more authors) (2023) CONSORT Harms 2022 statement, explanation, and elaboration: updated guideline for the reporting of harms in randomized trials. Journal of Clinical Epidemiology, 158. pp. 149-165. ISSN 0895-4356
Junqueira, D.R., Zorzela, L., Golder, S. et al. (13 more authors) (2023) CONSORT Harms 2022 statement, explanation, and elaboration: updated guideline for the reporting of harms in randomised trials. BMJ, 381. e073725. ISSN 0959-8146
Edwards, J.M. orcid.org/0000-0001-8337-8962, Walters, S.J. and Julious, S.A. (2023) A retrospective analysis of conditional power assumptions in clinical trials with continuous or binary endpoints. Trials, 24. 215. ISSN 1745-6215
Iflaifel, M., Sprange, K., Bell, J. et al. (7 more authors) (2023) Developing guidance for a risk-proportionate approach to blinding statisticians within clinical trials: a mixed methods study. Trials, 24. 71. ISSN 1745-6215
Alyami, R.A., Simpson, R., Oliver, P. orcid.org/0000-0002-9665-0635 et al. (1 more author) (2022) TRial to Assess Implementation of New research in a primary care Setting (TRAINS): study protocol for a pragmatic cluster randomised controlled trial of an educational intervention to promote asthma prescription uptake in general practitioner practices. Trials, 23. 947. ISSN 1745-6215
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. orcid.org/0000-0002-9917-7636 (2022) Practical guide to sample size calculations : installation of the app SampSize. Pharmaceutical Statistics, 21 (5). pp. 1109-1110. ISSN 1539-1604
Duro, E.M., Julious, S.A. orcid.org/0000-0002-9917-7636 and Ren, S. orcid.org/0000-0003-3568-7124 (2022) An investigation of the constancy of effect in Cochrane systematic reviews in context with the assumptions for noninferiority trials. BMC Medical Research Methodology, 22 (1). 204.
Rothwell, J.C., Julious, S.A. orcid.org/0000-0002-9917-7636 and Cooper, C.L. (2022) Adjusting for bias in the mean for primary and secondary outcomes when trials are in sequence. Pharmaceutical Statistics, 21 (2). pp. 460-475. ISSN 1539-1604
Lewis, J. orcid.org/0000-0002-3765-1566 and Julious, S.A. orcid.org/0000-0002-9917-7636 (2021) Sample sizes for cluster-randomised trials with continuous outcomes: Accounting for uncertainty in a single intra-cluster correlation estimate. Statistical Methods in Medical Research, 30 (11). pp. 2459-2470. ISSN 0962-2802
Edwards, J.M., Walters, S.J. orcid.org/0000-0001-9000-8126, Kunz, C. et al. (1 more author) (2020) A systematic review of the “promising zone” design. Trials, 21. 1000. ISSN 1745-6215
Dimairo, M. orcid.org/0000-0002-9311-6920, Pallmann, P., Wason, J. et al. (16 more authors) (2020) The Adaptive designs CONSORT Extension (ACE) statement: a checklist with explanation and elaboration guideline for reporting randomised trials that use an adaptive design. BMJ, 369. m115. ISSN 1759-2151
Dimairo, M. orcid.org/0000-0002-9311-6920, Pallmann, P., Wason, J. et al. (16 more authors) (2020) The adaptive designs CONSORT extension (ACE) statement: a checklist with explanation and elaboration guideline for reporting randomised trials that use an adaptive design. Trials, 21 (1). 528. ISSN 1745-6215
Herbert, E. orcid.org/0000-0002-1224-5457, Julious, S.A. and Goodacre, S. orcid.org/0000-0003-0803-8444 (2019) Progression criteria in trials with an internal pilot : an audit of publicly funded randomised controlled trials. Trials, 20 (1). 493.
Cook, J.A., Julious, S.A., Sones, W. et al. (18 more authors) (2019) Practical help for specifying the target difference in sample size calculations for RCTs : the DELTA2 five-stage study, including a workshop. Health Technology Assessment, 23 (60). pp. 1-88. ISSN 1366-5278
Dimairo, M. orcid.org/0000-0002-9311-6920, Coates, E., Pallmann, P. et al. (16 more authors) (2018) Development process of a consensus-driven CONSORT extension for randomised trials using an adaptive design. BMC Medicine, 16. 210. ISSN 1741-7015
Julious, S.A. orcid.org/0000-0002-9917-7636 (2018) Calculation of confidence intervals for a finite population size. Pharmaceutical Statistics. ISSN 1539-1604
Cook, .JA. orcid.org/0000-0002-4156-6989, Julious, S.A., Sones, W. et al. (18 more authors) (2018) DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial. Trials, 19. 606. ISSN 1745-6215
Cook, J.A., Julious, S.A., Sones, W. et al. (18 more authors) (2018) DELTA² guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial. BMJ . 363. ISSN 0959-8146
Sones, W., Julious, S.A., Rothwell, J.C. et al. (11 more authors) (2018) Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA2 guidance. Trials, 19. 542. ISSN 1745-6215
Rothwell, J.C. orcid.org/0000-0001-6275-3807, Julious, S.A. and Cooper, C.L. (2018) A study of target effect sizes in randomised controlled trials published in the Health Technology Assessment journal. Trials, 19. 544.
Julious, S.A., Horspool, M.J., Davis, S. et al. (7 more authors) (2018) Open-label, cluster randomised controlled trial and economic evaluation of a brief letter from a GP on unscheduled medical contacts associated with the start of the school year: the PLEASANT trial. BMJ Open, 8 (4). e017367. ISSN 2044-6055
Cooper, C.L. orcid.org/0000-0002-2995-5447, Whitehead, A., Pottrill, E. et al. (2 more authors) (2018) Are pilot trials useful for predicting randomisation and attrition rates in definitive studies: A review of publicly funded trials. Clinical Trials, 15 (2). pp. 189-196. ISSN 1740-7745
Bell, M.L., Whitehead, A.L. and Julious, S.A. (2018) Guidance for using pilot studies to inform the design of intervention trials with continuous outcomes. Clinical Epidemiology, 10. pp. 153-157. ISSN 1179-1349
Liu, F. orcid.org/0000-0002-2917-7323, Walters, S.J. orcid.org/0000-0001-9000-8126 and Julious, S.A. (2017) Design considerations and analysis planning of a phase 2a proof of concept study in rheumatoid arthritis in the presence of possible non-monotonicity. BMC Medical Research Methodology, 17 (1). 149.
Cook, J.A., Julious, S.A., Sones, W. et al. (11 more authors) (2017) Choosing the target difference ('effect size') for a randomised controlled trial - DELTA(2) guidance protocol. Trials, 18. 271.
Flight, L. orcid.org/0000-0002-9569-8290, Julious, S.A. and Goodacre, S. orcid.org/0000-0003-0803-8444 (2017) Can emergency medicine research benefit from adaptive design clinical trials? Emergency Medicine Journal, 34 (4). pp. 243-248. ISSN 1472-0205
Walters, S.J. orcid.org/0000-0001-9000-8126, Henriques-Cadby, I.B.D.A., Bortolami, O. et al. (8 more authors) (2017) Recruitment and retention of participants in randomised controlled trials: a review of trials funded and published by the United Kingdom Health Technology Assessment Programme. BMJ OPEN, 7 (3). ARTN e015276.
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. (2017) Corrections: The disagreeable behaviour of the kappa statistic. Pharmaceutical Statistics, 16 (1). p. 95. ISSN 1539-1604
Posadzki, P., Mastellos, N., Ryan, R. et al. (8 more authors) (2016) Automated telephone communication systems for preventive healthcare and management of long-term conditions. Cochrane Database of Systematic Reviews (12). ARTN CD009921. ISSN 1469-493X
Julious, S.A., Horspool, M.J., Davis, S. orcid.org/0000-0002-6609-4287 et al. (15 more authors) (2016) PLEASANT: Preventing and Lessening Exacerbations of Asthma in School-age children Associated with a New Term - a cluster randomised controlled trial and economic evaluation. Health Technology Assessment, 20 (93). pp. 1-154. ISSN 1366-5278
Julious, S.A. (2016) Pilot Studies in clinical research. Statistical Methods in Medical Research, 25 (3). pp. 995-996. ISSN 0962-2802
Hatfield, I., Allison, A., Flight, L. et al. (2 more authors) (2016) Adaptive designs undertaken in clinical research: a review of registered clinical trials. Trials, 17 (1). 150. ISSN 1745-6215
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. (2016) Practical guide to sample size calculations: an introduction. Pharmaceutical Statistics , 15 (1). pp. 68-74. ISSN 1539-1604
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. (2016) Practical guide to sample size calculations: non-inferiority and equivalence trials. Pharmaceutical Statistics, 15 (1). pp. 80-89. ISSN 1539-1604
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. (2016) Practical guide to sample size calculations: superiority trials. Pharmaceutical Statistics, 15 (1). pp. 75-79. ISSN 1539-1604
Dimairo, M., Julious, S.A., Todd, S. et al. (2 more authors) (2015) Cross-sector surveys assessing perceptions of key stakeholders towards barriers, concerns and facilitators to the appropriate use of adaptive designs in confirmatory trials. Trials, 16. 585 . ISSN 1745-6215
Cameron, D., Epton, T., Norman, P. et al. (9 more authors) (2015) A theory-based online health behaviour intervention for new university students (U@Uni: LifeGuide): Results from a repeat randomized controlled trial. Trials, 16 (1). 555. ISSN 1745-6215
Cameron, D., Norman, P., Epton, T. et al. (9 more authors) (2015) A theory-based online health behaviour intervention for new university students (U@Uni:LifeGuide): Results from a repeat randomized controlled trial. Trials, 16. 555. ISSN 1745-6215
Horspool, M.J., Julious, S.A., Mooney, C. et al. (3 more authors) (2015) Preventing and Lessening Exacerbations of Asthma in School-aged children Associated with a New Term (PLEASANT): Recruiting Primary Care Research Sites-the PLEASANT experience. NPJ Primary Care Respiratory Medicine , 25. 15066. ISSN 2055-1010
Stevely, A., Dimairo, M., Todd, S. et al. (4 more authors) (2015) An Investigation of the Shortcomings of the CONSORT 2010 Statement for the Reporting of Group Sequential Randomised Controlled Trials: A Methodological Systematic Review. PLoS One, 10 (11). e0141104. ISSN 1932-6203
Dimairo, M., Boote, J., Julious, S.A. et al. (2 more authors) (2015) Missing steps in a staircase: A qualitative study of the perspectives of key stakeholders on the use of adaptive designs in confirmatory trials. Trials, 16. 430. ISSN 1745-6215
Whitehead, A.L., Julious, S.A., Cooper, C.L. et al. (1 more author) (2015) Estimating the sample size for a pilot randomised trial to minimise the overall trial sample size for the external pilot and main trial for a continuous outcome variable. Statistical Methods in Medical Research . ISSN 0962-2802
Flight, L. orcid.org/0000-0002-9569-8290 and Julious, S.A. orcid.org/0000-0002-9917-7636 (2015) The disagreeable behaviour of the kappa statistic. Pharmaceutical Statistics, 14 (1). pp. 74-78. ISSN 1539-1604
Julious, S.A. orcid.org/0000-0002-9917-7636 and Walters, S.J. orcid.org/0000-0001-9000-8126 (2014) Estimating effect sizes for health-related quality of life outcomes. Statistical Methods in Medical Research, 23 (5). pp. 430-439. ISSN 0962-2802
Clayton, S., Apperley, E., Hannon, F. et al. (3 more authors) (2014) A survey of birth order status of students studying for medical degree at the University of Sheffield. Journal of the Royal Society of Medicine Open, 5 (9). pp. 1-5. ISSN 0141-0768
Epton, T., Norman, P., Dadzie, A.S. et al. (11 more authors) (2014) A theory-based online health behaviour intervention for new university students (U@Uni): results from a randomised controlled trial. BMC Public Health, 14 (1). 563 . - . ISSN 1471-2458
Sully, B.G.O., Julious, S.A. and Nicholl, J. (2014) An investigation of the impact of futility analysis in publicly funded trials. Trials, 15. ARTN 61. ISSN 1745-6215
Lee, E.C., Whitehead, A.L., Jacques, R.M. et al. (1 more author) (2014) The statistical interpretation of pilot trials: should significance thresholds be reconsidered? BMC MedIcal Research Methodology, 14 (1). 41 .
Horspool, M.J., Julious, S.A., Boote, J. et al. (7 more authors) (2013) Preventing and lessening exacerbations of asthma in school-age children associated with a new term (PLEASANT): study protocol for a cluster randomised control trial. Trials, 14. 297. ISSN 1745-6215
Billingham, S.A.M., Whitehead, A.L. and Julious, S.A. (2013) An audit of sample sizes for pilot and feasibility trials being undertaken in the United Kingdom registered in the United Kingdom Clinical Research Network database. BMC Medical Research Methodology, 13. 104. ISSN 1471-2288
Sully, B.G.O., Julious, S.A. and Nicholl, J. (2013) A reinvestigation of recruitment to randomised, controlled, multicenter trials: a review of trials funded by two UK funding agencies. Trials, 14. 166. ISSN 1745-6215
Epton, T., Norman, P., Sheeran, P. et al. (10 more authors) (2013) A theory-based online health behavior intervention for new university students: study protocol. BMC Public Health, 13. 107. ISSN 1471-2458
Julious, S.A. and Campbell, M.J. orcid.org/0000-0003-3529-2739 (2012) Tutorial in biostatistics: sample sizes for parallel group clinical trials with binary data. Statistics in Medicine , 31 (24). pp. 2904-2936. ISSN 0277-6715
Julious, S.A. (2011) The ABC of non-inferiority margin setting from indirect comparisons. Pharmaceutical Statistics, 10 (5). pp. 448-453. ISSN 1539-1604
Julious, S.A. orcid.org/0000-0002-9917-7636 (2005) Sample size of 12 per group rule of thumb for a pilot study. Pharmaceutical Statistics, 4 (4). pp. 287-291. ISSN 1539-1604
Julious, S.A. orcid.org/0000-0002-9917-7636 (2004) Using confidence intervals around individual means to assess statistical significance between two means. Pharmaceutical Statistics, 3 (3). pp. 217-222. ISSN 1539-1604
Julious, S.A. (2004) Tutorial in biostatistics - Sample sizes for clinical trials with Normal data. Statistics in Medicine, 23 (12). pp. 1921-1986. ISSN 0277-6715
Julious, S.A., Campbell, M.J. orcid.org/0000-0003-3529-2739, Walker, S.J. et al. (2 more authors) (2000) Sample sizes for cancer trials where Health Related Quality of Life is the primary outcome. British Journal of Cancer, 83 (7). pp. 959-963. ISSN 0007-0920
Book Section
Whitehead, A.L. and Julious, S.A. (2020) Pilot studies in clinical research. In: Wiley StatsRef: Statistics Reference Online. Wiley . ISBN 9781118445112
Proceedings Paper
Dimairo, M. orcid.org/0000-0002-9311-6920, Pallmann, P., Wason, J. et al. (16 more authors) (2019) Introducing the adaptive designs CONSORT extension (ACE) statement to improve reporting of randomised trials that use an adaptive design. In: Trials. 5th International Clinical Trials Methodology Conference (ICTMC 2019), 06-09 Oct 2019, Brighton, UK. BioMed Central , pp. 2-3.