Research Topics
| Alex J SuttonSummaryAffiliation: University of Leicester Country: UK Publications
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Publications
Recent developments in meta-analysisAlexander J Sutton
Department of Health Sciences, University of Leicester, Leicester LE1 7RH, UK
Stat Med 27:625-50. 2008..We conclude the paper with some remarks on ongoing challenges and possible directions for the future...
Bivariate random-effects meta-analysis and the estimation of between-study correlationRichard D Riley
Centre for Medical Statistics and Health Evaluation, School of Health Sciences, University of Liverpool, Shelley s Cottage, Brownlow Street, Liverpool, L69 3GS, UK
BMC Med Res Methodol 7:3. 2007..A multivariate random-effects meta-analysis must incorporate and estimate the between-study correlation (rhoB)...
An encouraging assessment of methods to inform priorities for updating systematic reviewsAlex J Sutton
Department of Health Sciences, University of Leicester, Leicester, UK
J Clin Epidemiol 62:241-51. 2009..To consider the use of statistical methods that aim to prioritize the updating of a collection of systematic reviews based on preliminary literature searches...
Integration of meta-analysis and economic decision modeling for evaluating diagnostic testsAlexander J Sutton
Department of Health Sciences, Centre for Biostatistics and Genetic Epidemiology, University of Leicester, Leicester, England
Med Decis Making 28:650-67. 2008..Setting policy to relate to a specific point may be much more difficult for studies with implicit thresholds...
Use of indirect and mixed treatment comparisons for technology assessmentAlex Sutton
Department of Health Sciences and NICE Decision Support Unit, University of Leicester, Leicester, UK
Pharmacoeconomics 26:753-67. 2008....
A Bayesian approach to evaluating net clinical benefit allowed for parameter uncertaintyAlexander J Sutton
Department of Health Sciences, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, United Kingdom
J Clin Epidemiol 58:26-40. 2005..The potential benefits and harms of a treatment policy may differ between individuals. If these benefits and harms are not evaluated distinctly, and in a quantitative framework, transparency can be lost in the decision-making process...
Evidence-based sample size calculations based upon updated meta-analysisAlexander J Sutton
Department of Health Sciences, University of Leicester, Leicester, UK
Stat Med 26:2479-500. 2007..This raises issues regarding the appropriateness of the use of random effect models when designing and drawing inferences across a series of studies...
Generalized synthesis of evidence and the threat of dissemination bias. the example of electronic fetal heart rate monitoring (EFM)Alexander J Sutton
Department of Epidemiology and Public Health, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, UK
J Clin Epidemiol 55:1013-24. 2002..Further research into methods to assess dissemination bias that are invariant to these factors is needed...
Evidence synthesis as the key to more coherent and efficient researchAlexander J Sutton
Department of Health Sciences, University of Leicester, Leicester, UK
BMC Med Res Methodol 9:29. 2009..Systematic review and meta-analysis currently underpin much of evidence-based medicine. Such methodologies bring order to previous research, but future research planning remains relatively incoherent and inefficient...
Modelling publication bias in meta-analysis: a reviewA J Sutton
Department of Epidemiology and Public Health, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, UK
Stat Methods Med Res 9:421-45. 2000..It is hoped that this will raise awareness of such methods, and promote their use and development, as well as provide an agenda for future research...
Bayesian methods in meta-analysis and evidence synthesisA J Sutton
Department of Epidemiology and Public Health, University of Leicester, UK
Stat Methods Med Res 10:277-303. 2001..The Bayesian methods discussed are illustrated by means of a meta-analysis examining the evidence relating to electronic fetal heart rate monitoring and perinatal mortality in which evidence is available from a variety of sources...
Meta-analysis of individual- and aggregate-level dataA J Sutton
Department of Health Sciences, University of Leicester, Leicester, UK
Stat Med 27:651-69. 2008..Using the same general approach, it would be possible to develop further 'tailor made' evidence synthesis models to synthesize all available evidence most effectively...
A case-control study to investigate the relation between low and moderate levels of physical activity and osteoarthritis of the knee using data collected as part of the Allied Dunbar National Fitness SurveyA J Sutton
Department of Epidemiology and Public Health, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, UK
Ann Rheum Dis 60:756-64. 2001....
Different strategies for screening and prevention of type 2 diabetes in adults: cost effectiveness analysisClare L Gillies
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester LE1 7RH
BMJ 336:1180-5. 2008....
Assessment of regression-based methods to adjust for publication bias through a comprehensive simulation studySantiago G Moreno
Department of Health Sciences, University of Leicester, Leicester, UK
BMC Med Res Methodol 9:2. 2009..This issue potentially mean inappropriate conclusions are drawn from a meta-analysis. If meta-analysis is to be used to inform decision-making, a reliable way to adjust pooled estimates for potential funnel plot asymmetry is required...
How vague is vague? A simulation study of the impact of the use of vague prior distributions in MCMC using WinBUGSPaul C Lambert
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, UK
Stat Med 24:2401-28. 2005..The choice of 'vague' prior distribution can lead to a marked variation in results, particularly in small studies. Sensitivity to the choice of prior distribution should always be assessed...
Sensitivity analyses allowed more appropriate and reliable meta-analysis conclusions for multiple outcomes when missing data was presentRichard D Riley
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Princess Road West, Leicester LE1 6TP, United Kingdom
J Clin Epidemiol 57:911-24. 2004..Dissemination bias, in how and what outcomes are reported or published, may be causing this incompleteness. This article illustrates these problems and presents possible sensitivity analyses to allow the most reliable conclusions...
A systematic review of systematic reviews and meta-analyses of animal experiments with guidelines for reportingJaime L Peters
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester, UK
J Environ Sci Health B 41:1245-58. 2006..Further consideration of the use and methodological quality and reporting of such studies is needed...
Development of a transparent interactive decision interrogator to facilitate the decision-making process in health careSylwia Bujkiewicz
Department of Health Sciences, University of Leicester, Leicester, UK
Value Health 14:768-76. 2011..Decisions about the use of new technologies in health care are often based on complex economic models. Decision makers frequently make informal judgments about evidence, uncertainty, and the assumptions that underpin these models...
Interspecies extrapolation in environmental exposure standard setting: A Bayesian synthesis approachDavid R Jones
Department of Health Sciences, Adrian Building, University of Leicester, Leicester, LE1 7RH, UK
Regul Toxicol Pharmacol 53:217-25. 2009..The methods are applied to evidence relating chlorinated by-products exposure to adverse reproductive health effects. The relative merits of various approaches are discussed, and developments and next steps are outlined...
Performance of the trim and fill method in the presence of publication bias and between-study heterogeneityJaime L Peters
Department of Health Sciences, University of Leicester, Leicester LE1 7RH, U K
Stat Med 26:4544-62. 2007....
Comparison of two methods to detect publication bias in meta-analysisJaime L Peters
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester, England
JAMA 295:676-80. 2006..However, the performance of this test and the usual funnel plot have been challenged particularly when the summary estimate is the natural log of the odds ratio (lnOR)...
Comprehensive decision analytical modelling in economic evaluation: a Bayesian approachNicola J Cooper
Department of Epidemiology and Public Health, University of Leicester, UK
Health Econ 13:203-26. 2004..The advantages of integrating the four stages outlined into one comprehensive decision analytical model, compared to the conventional 'two-stage' approach, are discussed...
Contour-enhanced meta-analysis funnel plots help distinguish publication bias from other causes of asymmetryJaime L Peters
Department of Health Sciences, University of Leicester, Leicester, UK
J Clin Epidemiol 61:991-6. 2008..To present the contour-enhanced funnel plot as an aid to differentiating asymmetry due to publication bias from that due to other factors...
The use of systematic reviews when designing studiesNicola J Cooper
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester, UK
Clin Trials 2:260-4. 2005..Our objective was to assess the use made of results of reviews in the designing of new studies...
Addressing between-study heterogeneity and inconsistency in mixed treatment comparisons: Application to stroke prevention treatments in individuals with non-rheumatic atrial fibrillationNicola J Cooper
Department of Health Sciences, University of Leicester, Leicester, U K
Stat Med 28:1861-81. 2009..Although such an approach may adjust for inconsistencies in networks, as for standard meta-regression, the analysis will suffer from low power if the number of trials is small compared with the number of treatment comparators...
Randomized trials with concurrent economic evaluations reported unrepresentatively large clinical effect sizesSimon Gilbody
Department of Health Sciences, University of York, York YO10 5DD, UK
J Clin Epidemiol 60:781-6. 2007..To examine whether randomized economic evaluations report clinical effectiveness estimates that are unrepresentative of the totality of the research literature...
Pharmacological and lifestyle interventions to prevent or delay type 2 diabetes in people with impaired glucose tolerance: systematic review and meta-analysisClare L Gillies
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester LE1 7RH
BMJ 334:299. 2007..To quantify the effectiveness of pharmacological and lifestyle interventions to prevent or delay type 2 diabetes in people with impaired glucose tolerance...
Estimating the cost-effectiveness of an intervention in a clinical trial when partial cost information is available: a Bayesian approachPaul C Lambert
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester, UK
Health Econ 17:67-81. 2008..The models estimate the interrelationships between the four cost components and survival, and thus enable a predictive distribution for each missing cost item to be obtained...
Novel methods to deal with publication biases: secondary analysis of antidepressant trials in the FDA trial registry database and related journal publicationsSantiago G Moreno
Department of Health Sciences, University of Leicester, Leicester LE1 7RH
BMJ 339:b2981. 2009..To assess the performance of novel contour enhanced funnel plots and a regression based adjustment method to detect and adjust for publication biases...
Network meta-analysis to evaluate the effectiveness of interventions to increase the uptake of smoke alarmsNicola J Cooper
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, United Kingdom
Epidemiol Rev 34:32-45. 2012..69). Smoke alarm promotion programs should ensure they provide the combination of interventions most likely to be effective...
Use of Bayesian Markov Chain Monte Carlo methods to model cost-of-illness dataNicola J Cooper
Department of Epidemiology and Public Health, University of Leicester, United Kingdom
Med Decis Making 23:38-53. 2003..The NOAR database also includes information on various patient-level covariates...
Benefits and harms associated with hormone replacement therapy: clinical decision analysisCosetta Minelli
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, Leicester LE1 6TP
BMJ 328:371. 2004..Perceived quality of life in women with symptoms should be taken into account when deciding on HRT. Thus, a decision analysis tailored to an individual woman is more appropriate in clinical practice than a population based approach...
A comparison of summary patient-level covariates in meta-regression with individual patient data meta-analysisP C Lambert
Department of Epidemiology and Public Health, University of Leicester, 22 28 Princess Road West, LE1 6TP, Leicester, UK
J Clin Epidemiol 55:86-94. 2002..To compare meta-analysis of summary study level data with the equivalent individual patient data (IPD) analysis when interest lies in identification of binary patient characteristics related to treatment efficacy...
Subintimal angioplasty: meta-analytical evidence of clinical utilityM J Bown
Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
Eur J Vasc Endovasc Surg 38:323-37. 2009..The aim of this study was to determine accurate estimates of the success rate of subintimal angioplasty in terms of ability to recanalise occluded vessels, patency over time and limb salvage rates...
Use of evidence in economic decision models: practical issues and methodological challengesN J Cooper
Department of Health Sciences, University of Leicester, Leicester, UK
Health Econ 16:1277-86. 2007..Gaps in the established methodology knowledge base are identified for future research...
Decision analytical economic modelling within a Bayesian framework: application to prophylactic antibiotics use for caesarean sectionN J Cooper
Department of Epidemiology and Public Health, University of Leicester, Leicester, UK
Stat Methods Med Res 11:491-512. 2002....
Accuracy of a 12-lead electrocardiogram in screening patients with suspected heart failure for open access echocardiography: a systematic review and meta-analysisK Khunti
Department of Health Sciences, Division of General Practice and Primary Health Care, University of Leicester, Leicester General Hospital, Leicester, UK
Eur J Heart Fail 6:571-6. 2004..Primary outcome measures were sensitivity and specificity, meta-analysed simultaneously to produce a Summary Receiver Operating Characteristic (SROC) curve...
Quality control in systematic reviews and meta-analysesM J Bown
The University of Leicester, Department of Cardiovascular Sciences, Robert Kilpatrick Clinical Sciences Building, Leicester Royal Infirmary, Leicester LE2 7LX, United Kingdom
Eur J Vasc Endovasc Surg 40:669-77. 2010....
Systematic review and meta-analysis of mortality in crop protection product manufacturing workersD R Jones
Department of Health Sciences, University of Leicester, University Road, Leicester LE1 7RH, UK
Occup Environ Med 66:7-15. 2009..The potential health effects of the manufacture and use of crop protection chemicals were investigated through systematic review and meta-analysis of studies of cohorts of workers in the crop protection product manufacturing industry...
Consumption of mannan-binding lectin during abdominal aortic aneurysm repairM G A Norwood
Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
Eur J Vasc Endovasc Surg 31:239-43. 2006..We investigated the role of the novel lectin pathway of complement during IRI in patients undergoing AAA repair...
Finding qualitative research: an evaluation of search strategiesRachel L Shaw
Department of Health Sciences, University of Leicester, 22 28 Princess Road West, Leicester, LE1 6TP, UK
BMC Med Res Methodol 4:5. 2004..However, qualitative evidence can be difficult to search for and identify, and the effectiveness of different types of search strategies is unknown...
Conducting a critical interpretive synthesis of the literature on access to healthcare by vulnerable groupsMary Dixon-Woods
Department of Health Sciences, University of Leicester, 22 28 Princess Road West, Leicester LE1 6TP, UK
BMC Med Res Methodol 6:35. 2006..This approach is sensitised to the processes of conventional systematic review methodology and draws on recent advances in methods for interpretive synthesis...
How is evidence on test performance synthesized for economic decision models of diagnostic tests? A systematic appraisal of Health Technology Assessments in the UK since 1997Nicola Novielli
Department of Health Sciences, University of Leicester, Leicester, UK
Value Health 13:952-7. 2010..The study aims to assess how evidence on diagnostic test accuracy is synthesized and used to inform economic decision modeling for HTA...
A systematic review of molecular and biological tumor markers in neuroblastomaRichard D Riley
Departments of Health Sciences, Medical Education, University of Leicester, Leicester
Clin Cancer Res 10:4-12. 2004..Experimental Design: A well-defined, reproducible search strategy was used to identify the relevant literature from 1966 to February 2000...
Collaborative care for depression: a cumulative meta-analysis and review of longer-term outcomesSimon Gilbody
Department of Health Sciences, University of York, York, England
Arch Intern Med 166:2314-21. 2006....
Bayesian approaches to meta-analysis of ROC curvesM Hellmich
Department of Epidemiology and Public Health, University of Leicester, UK
Med Decis Making 19:252-64. 1999..Recommendations and suggestions for further research are made. Computer code for the more advanced methods may either be downloaded via the Internet or be found elsewhere...
Extending methods for investigating the relationship between treatment effect and baseline risk from pairwise meta-analysis to network meta-analysisFelix A Achana
Department of Health Sciences, University of Leicester, Leicester LE1 7RH, U K
Stat Med 32:752-71. 2013..Copyright © 2012 John Wiley & Sons, Ltd...
How valuable are multiple treatment comparison methods in evidence-based health-care evaluation?Nicola J Cooper
Department of Health Sciences, University of Leicester, University Road, Leicester, UK
Value Health 14:371-80. 2011....
A meta-analysis of 50 years of ruptured abdominal aortic aneurysm repairM J Bown
Departments of Surgery and Epidemiology and Public Health, University of Leicester, Leicester, UK
Br J Surg 89:714-30. 2002..CONCLUSION: Contrary to the conclusion of recent studies, this paper demonstrates a gradual reduction with time in the operative mortality rate of RAAA repair...
A systematic review and meta-analysis of endovascular repair (EVAR) for ruptured abdominal aortic aneurysmH S Rayt
Department of Cardiovascular Sciences, Vascular Surgery Research Group, University of Leicester, Leicester Royal Infirmary, Leicester LE2 7LX, UK
Eur J Vasc Endovasc Surg 36:536-44. 2008..The aim of this study was to estimate the mortality rate from EVAR due to ruptured abdominal aortic aneurysm (RAAA)...
An evaluation of bivariate random-effects meta-analysis for the joint synthesis of two correlated outcomesR D Riley
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, UK
Stat Med 26:78-97. 2007..Bivariate meta-regression and further research priorities are also discussed...
Surgical versus nonsurgical treatment of acute minimally displaced and undisplaced scaphoid waist fractures: pairwise and network meta-analyses of randomized controlled trialsTalal Ibrahim
Division of Orthopaedic Surgery and Department of Health Sciences, University of Leicester, Leicester, United Kingdom
J Hand Surg Am 36:1759-1768.e1. 2011..To investigate the effectiveness of surgical treatment for minimally displaced and undisplaced scaphoid waist fractures compared with nonsurgical intervention through pairwise and network meta-analyses of randomized controlled trials...
Preventing childhood falls at home: meta-analysis and meta-regressionDenise Kendrick
Division of Primary Care, School of Nursing, University of Nottingham, Hucknall Primary Care Trust, Hucknall Health Centre, Nottingham, England, UK
Am J Prev Med 35:370-379. 2008..Despite social inequalities in childhood injury rates, there is a lack of evidence examining the effect of fall-prevention practices by social group...
The effectiveness of anti-TNF-alpha therapies when used sequentially in rheumatoid arthritis patients: a systematic review and meta-analysisSuzanne Lloyd
Department of Health Sciences, University of Leicester, Leicester, UK
Rheumatology (Oxford) 49:2313-21. 2010..To systematically review and meta-analyse evidence on the effectiveness of the TNF-α inhibitors when used sequentially...
Interleukin 6 production during abdominal aortic aneurysm repair arises from the gastrointestinal tract and not the legsM G A Norwood
Department of Surgery, University of Leicester, Leicester, UK
Br J Surg 91:1153-6. 2004..In this study the relative contributions of these areas to the inflammatory response were assessed during elective AAA repair...
Systematic review and evaluation of methods of assessing urinary incontinenceJ L Martin
Department of Health Sciences, University of Leicester, UK
Health Technol Assess 10:1-132, iii-iv. 2006..The recommendations of the Standards for Reporting Diagnostic Accuracy (STARD) initiative should be followed to ensure the accuracy and completeness of reporting design and results...
The post-operative mortality of ruptured abdominal aortic aneurysm repairM J Bown
Department of Surgery, Leicester Royal Infirmary, University of Leicester, UK
Eur J Vasc Endovasc Surg 27:65-74. 2004..DISCUSSION: Factors associated with delayed peri-operative death after RAAA are not the same as those previously found to be associated with overall peri-operative mortality after RAAA repair...
The cost-effectiveness of influenza vaccination of healthy adults 50-64 years of ageD A Turner
Department of Health Sciences, University of Leicester, UK
Vaccine 24:1035-43. 2006..Extension of the current immunisation policy has the potential to generate a significant health benefit at a comparatively low cost...
Abdominal aortic aneurysm repair in patients with chronic renal diseaseM G A Norwood
Department of Surgery, University of Leicester, Leicester, UK
Eur J Vasc Endovasc Surg 27:287-91. 2004..CONCLUSIONS: AAA repair in RF patients is associated with increased postoperative morbidity and mortality. Previously non-dialysis-dependent patients have a high risk of subsequent long-term dialysis...
A systematic review and evaluation of the use of tumour markers in paediatric oncology: Ewing's sarcoma and neuroblastomaR D Riley
Department of Epidemiology and Public Health, University of Leicester, UK
Health Technol Assess 7:1-162. 2003
Systematic review and meta-analysis of 12 years of endovascular abdominal aortic aneurysm repairS C Franks
Department of Cardiovascular Sciences, University of Leicester, Leicester, UK
Eur J Vasc Endovasc Surg 33:154-71. 2007..The aim of this study was to estimate these rates from the published data, and examine how this has changed as more patients have undergone ER...
An illustrated guide to the methods of meta-analysisA J Sutton
Department of Epidemiology and Public Health, University of Leicester, UK
J Eval Clin Pract 7:135-48. 2001..Clearly, it will be some time before they are used routinely, but significant steps have been made...
Reporting of prognostic markers: current problems and development of guidelines for evidence-based practice in the futureR D Riley
Department of Epidemiology and Public Health, University of Leicester, Leicester, UK
Br J Cancer 88:1191-8. 2003..Such changes in practice would help important evidence-based reviews to be conducted in order to establish the most appropriate prognostic markers for clinical use, which should ultimately improve patient care...
Predicting costs over time using Bayesian Markov chain Monte Carlo methods: an application to early inflammatory polyarthritisNicola J Cooper
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, UK
Health Econ 16:37-56. 2007..To obtain predicted costs on the original cost scale (rather than the log-cost scale) two different retransformation factors were applied. All analyses were carried out using Bayesian Markov chain Monte Carlo (MCMC) simulation methods...
Mixed comparison of stroke prevention treatments in individuals with nonrheumatic atrial fibrillationNicola J Cooper
Centre for Biostatistics and Genetic Epidemiology, Department of Health Sciences, University of Leicester, 22-28 Princess Road West, Leicester, England
Arch Intern Med 166:1269-75. 2006....
What to add to nothing? Use and avoidance of continuity corrections in meta-analysis of sparse dataMichael J Sweeting
MRC Biostatistics Unit, Institute of Public Health, Robinson Way, Cambridge CB2 2SR, UK
Stat Med 23:1351-75. 2004..To compare the performance of different meta-analysis methods for pooling odds ratios when applied to sparse event data with emphasis on the use of continuity corrections...
Cost-effectiveness and value of information analyses of neuraminidase inhibitors for the treatment of influenzaAllan J Wailoo
Health Economics and Decision Science, ScHARR, University of Sheffield, Sheffield, UK
Value Health 11:160-71. 2008..To assess the cost-effectiveness of alternative strategies for the treatment of suspected influenza in otherwise healthy adults and to identify future research priorities using value of information analysis...
Effectiveness of neuraminidase inhibitors in treatment and prevention of influenza A and B: systematic review and meta-analyses of randomised controlled trialsNicola J Cooper
Department of Epidemiology and Public Health, University of Leicester, Leicester LE1 6TP
BMJ 326:1235. 2003..To review the clinical effectiveness of oseltamivir and zanamivir for the treatment and prevention of influenza A and B...
Role of multivitamins and mineral supplements in preventing infections in elderly people: systematic review and meta-analysis of randomised controlled trialsAlia El-Kadiki
Chemical Pathology Department, Royal Hallamshire Hospital, Sheffield S10 2JF
BMJ 330:871. 2005..To evaluate the effectiveness of multivitamins and mineral supplements in reducing infections in an elderly population...
