Research article  

Optimizing the diagnostic power with gastric emptying scintigraphy at multiple time points

Qingjiang Hou, Zhiyue Lin, Reginald Dusing, Byron J Gajewski, Richard W McCallum, Matthew S Mayo BMC Medical Research Methodology 2011, 11:84 (31 May 2011)

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Research article  

The predictive value of ICD-10 diagnostic coding used to assess Charlson comorbidity index conditions in the population-based Danish National Registry of Patients

Sandra K Thygesen, Christian F Christiansen, Steffen Christensen, Timothy L Lash, Henrik T Sørensen BMC Medical Research Methodology 2011, 11:83 (28 May 2011)

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Research article  

Unravelling the effects of age, period and cohort on metabolic syndrome components in a Taiwanese population using partial least squares regression

Yu-Kang Tu, Kuo-Liong Chien, Victoria Burley, Mark S Gilthorpe BMC Medical Research Methodology 2011, 11:82 (27 May 2011)

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Research article  

A comparison of small monetary incentives to convert survey non-respondents: a randomized control trial

Joan M Griffin, Alisha Simon, Erin Hulbert, John Stevenson, Joseph P Grill, Siamak Noorbaloochi, Melissa R Partin BMC Medical Research Methodology 2011, 11:81 (26 May 2011)

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Research article  

Alternative statistical methods for estimating efficacy of interferon beta-1b for multiple sclerosis clinical trials

Makiko N Mieno, Takuhiro Yamaguchi, Yasuo Ohashi BMC Medical Research Methodology 2011, 11:80 (26 May 2011)

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Research article  

How the psychosocial context of clinical trials differs from usual care: A qualitative study of acupuncture patients

Fiona Barlow, Clare Scott, Beverly Coghlan, Philippa Lee, Peter White, George T Lewith, Felicity L Bishop BMC Medical Research Methodology 2011, 11:79 (25 May 2011)

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Research article  

Competing risk models to estimate the excess mortality and the first recurrent-event hazards

Aurélien Belot, Laurent Remontet, Guy Launoy, Valérie Jooste, Roch Giorgi BMC Medical Research Methodology 2011, 11:78 (25 May 2011)

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Research article  

Logistic random effects regression models: a comparison of statistical packages for binary and ordinal outcomes

Baoyue Li, Hester F Lingsma, Ewout W Steyerberg, Emmanuel Lesaffre BMC Medical Research Methodology 2011, 11:77 (23 May 2011)

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Research article  

Optimizing cost-efficiency in mean exposure assessment - cost functions reconsidered

Svend Erik Mathiassen, Kristian Bolin BMC Medical Research Methodology 2011, 11:76 (21 May 2011)

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Technical advance  

Design of a factorial experiment with randomization restrictions to assess medical device performance on vascular tissue

Wiebke S Diestelkamp, Carissa M Krane, Margaret F Pinnell BMC Medical Research Methodology 2011, 11:75 (20 May 2011)

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Research article  

Measurement invariance of the center for epidemiological studies depression scale (CES-D) among chinese and dutch elderly

Baoshan Zhang, Marjolein Fokkema, Pim Cuijpers, Juan Li, Niels Smits, Aartjan Beekman BMC Medical Research Methodology 2011, 11:74 (20 May 2011)

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Debate  

Successful recruitment to trials: a phased approach to opening gates and building bridges

Sue Patterson, Hilary Mairs, Rohan Borschmann BMC Medical Research Methodology 2011, 11:73 (19 May 2011)

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Research article  

Concordance of self-reported and medical chart information on cancer diagnosis and treatment

Vinay Gupta, Kai Gu, Zhi Chen, Wei Lu, Xiao Ou Shu, Ying Zheng BMC Medical Research Methodology 2011, 11:72 (18 May 2011)

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Research article  

Pitfalls in the statistical examination and interpretation of the correspondence between physician and patient satisfaction ratings and their relevance for shared decision making research

Oliver Hirsch, Heidemarie Keller, Christina Albohn-Kühne, Tanja Krones, Norbert Donner-Banzhoff BMC Medical Research Methodology 2011, 11:71 (18 May 2011)

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Research article  

Power estimation of tests in log-linear non-uniform association models for ordinal agreement

Fabien Valet, Jean-Yves Mary BMC Medical Research Methodology 2011, 11:70 (17 May 2011)

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Research article  

Central and East European migrant men who have sex with men in London: a comparison of recruitment methods

Alison R Evans, Graham J Hart, Richard Mole, Catherine H Mercer, Violetta Parutis, Christopher J Gerry, John Imrie, Fiona M Burns BMC Medical Research Methodology 2011, 11:69 (17 May 2011)

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Research article  

Use of hospitalisation history (lookback) to determine prevalence of chronic diseases: impact on modelling of risk factors for haemorrhage in pregnancy

Jian Sheng Chen, Christine L Roberts, Judy M Simpson, Jane B Ford BMC Medical Research Methodology 2011, 11:68 (17 May 2011)

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Research article  

Bayesian adjustment for measurement error in continuous exposures in an individually matched case-control study

Gabriela Espino-Hernandez, Paul Gustafson, Igor Burstyn BMC Medical Research Methodology 2011, 11:67 (14 May 2011)

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Research article  

Calculating unreported confidence intervals for paired data

Karim F Hirji, Morten W Fagerland BMC Medical Research Methodology 2011, 11:66 (12 May 2011)

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Debate  

Evaluating treatments in health care: The instability of a one-legged stool

Bonnie J Kaplan, Gerald Giesbrecht, Scott Shannon, Kevin McLeod BMC Medical Research Methodology 2011, 11:65 (11 May 2011)

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Research article  

Adjusting a cancer mortality-prediction model for disease status-related eligibility criteria

Millennia Foy, Xing Chen, Marek Kimmel, Olga Y Gorlova BMC Medical Research Methodology 2011, 11:64 (11 May 2011)

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Research article  

The use of fasting vs. non-fasting triglyceride concentration for estimating the prevalence of high LDL-cholesterol and metabolic syndrome in population surveys

Jouko Sundvall, Jaana Leiviskä, Tiina Laatikainen, Markku Peltonen, Veikko Salomaa, Mauno Vanhala, Eeva Korpi-Hyövälti, Jukka Lauronen, Georg Alfthan BMC Medical Research Methodology 2011, 11:63 (10 May 2011)

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Research article  

Effect of questionnaire length, personalisation and reminder type on response rate to a complex postal survey: randomised controlled trial

Shannon Sahlqvist, Yena Song, Fiona Bull, Emma Adams, John Preston, David Ogilvie, the iConnect consortium BMC Medical Research Methodology 2011, 11:62 (6 May 2011)

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Research article  

Network meta-analysis of survival data with fractional polynomials

Jeroen P Jansen BMC Medical Research Methodology 2011, 11:61 (6 May 2011)

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Research article  

Representation of less-developed countries in Pharmacology journals: an online survey of corresponding authors

Dileep K Rohra BMC Medical Research Methodology 2011, 11:60 (5 May 2011)

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