Statistics & Research Methods

Vitamin C therapy for patients with sepsis or septic shock: a protocol for a systematic review and a network meta-analysis
Tomoko Fujii, Alessandro Belletti, Anitra Carr, Toshi A Furukawa, Nora Luethi, Alessandro Putzu, Chiara Sartini, Georgia Salanti, Yasushi Tsujimoto, Andrew A Udy, Paul J Young, Rinaldo Bellomo

BMJ Open Nov 2019, 9 (11) e033458; DOI: 10.1136/bmjopen-2019-033458
Do protocols for new randomised trials take previous similar trials into account? Cohort study of contemporary trial protocols
Asger Sand Paludan-Müller, Michelle C Ogden, Mikkel Marquardsen, Jonas Vive, Karsten Juhl Jørgensen, Peter Christian Gøtzsche

BMJ Open Nov 2019, 9 (11) e026661; DOI: 10.1136/bmjopen-2018-026661
Performance of externally validated enhanced computer-aided versions of the National Early Warning Score in predicting mortality following an emergency admission to hospital in England: a cross-sectional study
Muhammad Faisal, Donald Richardson, Andy Scally, Robin Howes, Kevin Beatson, Mohammed Mohammed

BMJ Open Nov 2019, 9 (11) e031596; DOI: 10.1136/bmjopen-2019-031596
Recent adverse mortality trends in Scotland: comparison with other high-income countries
Lynda Fenton, Jon Minton, Julie Ramsay, Maria Kaye-Bardgett, Colin Fischbacher, Grant M A Wyper, Gerry McCartney

BMJ Open Oct 2019, 9 (10) e029936; DOI: 10.1136/bmjopen-2019-029936
Lower secondary school students’ scientific literacy and their proficiency in identifying and appraising health claims in news media: a secondary analysis using large-scale survey data
Lena Victoria Nordheim, Kjell Sverre Pettersen, Birgitte Espehaug, Signe Agnes Flottorp, Øystein Guttersrud

BMJ Open Oct 2019, 9 (10) e028781; DOI: 10.1136/bmjopen-2018-028781
Measuring precarious employment in Sweden: translation, adaptation and psychometric properties of the Employment Precariousness Scale (EPRES)
Johanna Jonsson, Alejandra Vives, Joan Benach, Katarina Kjellberg, Jenny Selander, Gun Johansson, Theo Bodin

BMJ Open Sep 2019, 9 (9) e029577; DOI: 10.1136/bmjopen-2019-029577
Reporting and interpretation of results from clinical trials that did not claim a treatment difference: survey of four general medical journals
Simon Gates, Elizabeth Ealing

BMJ Open Sep 2019, 9 (9) e024785; DOI: 10.1136/bmjopen-2018-024785
Trends and predictors of biomedical research quality, 1990–2015: a meta-research study
Maryaline Catillon

BMJ Open Sep 2019, 9 (9) e030342; DOI: 10.1136/bmjopen-2019-030342
Measuring health-related quality of life in the general population and Roma communities in Romania: study protocol for two cross-sectional studies
Elena Olariu, Marian Sorin Paveliu, Eugen Baican, Yemi Oluboyede, Luke Vale, Ileana Gabriela Niculescu-Aron

BMJ Open Aug 2019, 9 (8) e029067; DOI: 10.1136/bmjopen-2019-029067
Role of cognitive ability in the association between functional health literacy and mortality in the Lothian Birth Cohort 1936: a prospective cohort study
Chloe Fawns-Ritchie, John M Starr, Ian J Deary

BMJ Open Sep 2018, 8 (9) e022502; DOI: 10.1136/bmjopen-2018-022502

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