Steven A Julious
Steven A Julious
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Cited by
Sample size of 12 per group rule of thumb for a pilot study
SA Julious
Pharmaceutical Statistics: The Journal of Applied Statistics in the …, 2005
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
AL Whitehead, SA Julious, CL Cooper, MJ Campbell
Statistical methods in medical research 25 (3), 1057-1073, 2016
Reducing waste from incomplete or unusable reports of biomedical research
P Glasziou, DG Altman, P Bossuyt, I Boutron, M Clarke, S Julious, ...
The Lancet 383 (9913), 267-276, 2014
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
SAM Billingham, AL Whitehead, SA Julious
BMC medical research methodology 13, 1-6, 2013
Sample sizes for clinical trials with normal data
SA Julious
Statistics in medicine 23 (12), 1921-1986, 2004
Estimating sample sizes for binary, ordered categorical, and continuous outcomes in two group comparisons
MJ Campbell, SA Julious, DG Altman
Bmj 311 (7013), 1145-1148, 1995
A reinvestigation of recruitment to randomised, controlled, multicenter trials: a review of trials funded by two UK funding agencies
BGO Sully, SA Julious, J Nicholl
Trials 14, 1-9, 2013
The statistical interpretation of pilot trials: should significance thresholds be reconsidered?
EC Lee, AL Whitehead, RM Jacques, SA Julious
BMC medical research methodology 14, 1-8, 2014
Chronic Chlamydia pneumoniae infection and asthma exacerbations in children
AF Cunningham, SL Johnston, SA Julious, FC Lampe, ME Ward
European Respiratory Journal 11 (2), 345-349, 1998
Recruitment and retention of participants in randomised controlled trials: a review of trials funded and published by the United Kingdom Health Technology Assessment Programme
SJ Walters, IB dos Anjos Henriques-Cadby, O Bortolami, L Flight, D Hind, ...
BMJ open 7 (3), e015276, 2017
Sample sizes for clinical trials
SA Julious
chapman and hall/CRC, 2023
Confounding and Simpson's paradox
SA Julious, MA Mullee
Bmj 309 (6967), 1480-1481, 1994
Using confidence intervals around individual means to assess statistical significance between two means
SA Julious
Pharmaceutical Statistics 3 (3), 217-222, 2004
Guidance for using pilot studies to inform the design of intervention trials with continuous outcomes
ML Bell, AL Whitehead, SA Julious
Clinical epidemiology, 153-157, 2018
Computer therapy compared with usual care for people with long-standing aphasia poststroke: a pilot randomized controlled trial
R Palmer, P Enderby, C Cooper, N Latimer, S Julious, G Paterson, ...
Stroke 43 (7), 1904-1911, 2012
DELTA2 guidance on choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial
JA Cook, SA Julious, W Sones, LV Hampson, C Hewitt, JA Berlin, ...
bmj 363, 2018
Acupuncture in the prevention of postoperative nausea and vomiting
M Al‐Sadi, B Newman, SA Julious
Anaesthesia 52 (7), 658-661, 1997
Why do we continue to use standardized mortality ratios for small area comparisons?
SA Julious, J Nicholl, S George
Journal of Public Health 23 (1), 40-46, 2001
Self-managed, computerised speech and language therapy for patients with chronic aphasia post-stroke compared with usual care or attention control (Big CACTUS): a multicentre …
R Palmer, M Dimairo, C Cooper, P Enderby, M Brady, A Bowen, N Latimer, ...
The Lancet Neurology 18 (9), 821-833, 2019
Automated telephone communication systems for preventive healthcare and management of long‐term conditions
P Posadzki, N Mastellos, R Ryan, LH Gunn, LM Felix, Y Pappas, ...
Cochrane database of systematic reviews, 2016
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