Sample size and power estimation for studies with health related quality of life outcomes: a comparison of four methods using the SF-36

Por Walters, Stephen J
Publicado em 2004

What is the relationship between the minimally important difference and health state utility values? The case of the SF-6D

Por Brazier John E, Walters Stephen J
Publicado em 2003-04-01

What is the relationship between the minimally important difference and health state utility values? The case of the SF-6D

Por Walters, Stephen J, Brazier, John E
Publicado em 2003

The use of bootstrap methods for analysing health-related quality of life outcomes (particularly the SF-36)

Por Walters, Stephen J, Campbell, Michael J
Publicado em 2004

Sample size determination through power simulation; practical lessons from a stepped wedge cluster randomised trial (SW CRT)

Por Dimairo, Munyaradzi, Bradburn, Mike, Walters, Stephen J
Publicado em 2011

Design considerations and analysis planning of a phase 2a proof of concept study in rheumatoid arthritis in the presence of possible non-monotonicity

Por Liu, Feng, Walters, Stephen J., Julious, Steven A.
Publicado no BMC Med Res Methodol (2017)

Physical activity among adolescents and barriers to delivering physical education in Cornwall and Lancashire, UK: A qualitative study of heads of PE and heads of schools

Por Boyle, Spencer Earl, Jones, Georgina L, Walters, Stephen J
Publicado em 2008

Quality of life in children and adolescents with Osteogenesis Imperfecta: a qualitative interview based study

Por Hill, Claire L, Baird, Wendy O, Walters, Stephen J
Publicado em 2014

Does early intervention improve outcomes in physiotherapy management of lumbar radicular syndrome? A mixed-methods study protocol

Por Reddington, Michael, Walters, Stephen J, Cohen, Judith, Baxter, Susan
Publicado no BMJ Open (2017)

Consumer views on a new holistic screening tool for supportive and palliative‐care needs: Sheffield Profile for Assessment and Referral for Care (SPARC): a survey of self‐help supp...

Por Hughes, Philippa, Ahmed, Nisar, Winslow, Michelle, Walters, Stephen J, Collins, Karen, Noble, Bill
Publicado no Health Expect (2013)

Recommendations for the analysis of individually randomised controlled trials with clustering in one arm – a case of continuous outcomes

Por Flight, Laura, Allison, Annabel, Dimairo, Munyaradzi, Lee, Ellen, Mandefield, Laura, Walters, Stephen J.
Publicado no BMC Med Res Methodol (2016)

Sample size requirements to estimate key design parameters from external pilot randomised controlled trials: a simulation study

Por Teare, M Dawn, Dimairo, Munyaradzi, Shephard, Neil, Hayman, Alex, Whitehead, Amy, Walters, Stephen J
Publicado no Trials (2014)

Rescue therapy within the UK Cystic Fibrosis Registry: An exploration of predictors of intravenous antibiotic use amongst adults with CF

Por Hoo, Zhe Hui, Wildman, Martin J., Curley, Rachael, Walters, Stephen J., Campbell, Michael J.
Publicado no Respirology (2017)

MRCP compared to diagnostic ERCP for diagnosis when biliary obstruction is suspected: a systematic review

Por Kaltenthaler, Eva C, Walters, Stephen J, Chilcott, Jim, Blakeborough, Anthony, Vergel, Yolanda Bravo, Thomas, Steven
Publicado em 2006

The effectiveness of salicylic acid plasters compared with ‘usual’ scalpel debridement of corns: a randomised controlled trial

Por Farndon, Lisa J, Vernon, Wesley, Walters, Stephen J, Dixon, Simon, Bradburn, Mike, Concannon, Michael, Potter, Julia
Publicado em 2013

Accurate reporting of adherence to inhaled therapies in adults with cystic fibrosis: methods to calculate “normative adherence”

Por Hoo, Zhe Hui, Curley, Rachael, Campbell, Michael J, Walters, Stephen J, Hind, Daniel, Wildman, Martin J
Publicado no Patient Prefer Adherence (2016)

Clinical audit of core podiatry treatment in the NHS

Por Farndon, Lisa, Barnes, Andrew, Littlewood, Keith, Harle, Justine, Beecroft, Craig, Burnside, Jaclyn, Wheeler, Tracey, Morris, Selwyn, Walters, Stephen J
Publicado em 2009

Cost effectiveness of community leg ulcer clinics: randomised controlled trial

Por Morrell, C Jane, Walters, Stephen J, Dixon, Simon, Collins, Karen A, Brereton, Louise M L, Peters, Jean, Brooker, Charles G D
Publicado em 1998

Clinical effectiveness of health visitor training in psychologically informed approaches for depression in postnatal women: pragmatic cluster randomised trial in primary care

Por Morrell, C Jane, Slade, Pauline, Warner, Rachel, Paley, Graham, Dixon, Simon, Walters, Stephen J, Brugha, Traolach, Barkham, Michael, Parry, Gareth J, Nicholl, Jon
Publicado em 2009

Rationale and design for SHAREHD: a quality improvement collaborative to scale up Shared Haemodialysis Care for patients on centre based haemodialysis

Por Fotheringham, James, Barnes, Tania, Dunn, Louese, Lee, Sonia, Ariss, Steven, Young, Tracey, Walters, Stephen J., Laboi, Paul, Henwood, Andy, Gair, Rachel, Wilkie, Martin
Publicado no BMC Nephrol (2017)