Statistics & Research Methods

BOrderliNe symptoms and suIcide-related outcomes: proTOcol for a systematic review/meta-analysis and an individual patient data meta-analysis (BONITO study)
Raffaella Calati, Daniele Romano, Jorge Lopez-Castroman, Federica Turolla, Johannes Zimmermann, Fabio Madeddu, Philippe Courtet, Emanuele Preti

BMJ Open May 2022, 12 (5) e056492; DOI: 10.1136/bmjopen-2021-056492
How common is patient and public involvement (PPI)? Cross-sectional analysis of frequency of PPI reporting in health research papers and associations with methods, funding sources and other factors
Iain Lang, Angela King, Georgia Jenkins, Kate Boddy, Zohrah Khan, Kristin Liabo

BMJ Open May 2022, 12 (5) e063356; DOI: 10.1136/bmjopen-2022-063356
Implementation of the ‘Removed Injectable modified Short-course regimens for EXpert Multidrug Resistant Tuberculosis’ (RISE study) in Tanzania: a protocol for a mixed-methods process evaluation
Albino Kalolo, Julieth Lalashowi, Doreen Pamba, Pendomartha Joseph Shayo, Catherine Gitige, Happiness Mvungi, Webhale Ntagazwa, Isaac Lekule, Riziki Kisonga, Liberate Mleoh, Johnson John, Ntuli A Kapologwe, Beatrice Mutayoba, Emmanuel Matechi, Stellah G Mpagama, Nyanda Elias Ntinginya

BMJ Open May 2022, 12 (5) e054434; DOI: 10.1136/bmjopen-2021-054434
Development and validation of a diabetes mellitus and prediabetes risk prediction function for case finding in primary care in Hong Kong: a cross-sectional study and a prospective study protocol paper
Weinan Dong, Will Ho Gi Cheng, Emily Tsui Yee Tse, Yuqi Mi, Carlos King Ho Wong, Eric Ho Man Tang, Esther Yee Tak Yu, Weng Yee Chin, Laura Elizabeth Bedford, Welchie Wai Kit Ko, David Vai Kiong Chao, Kathryn Choon Beng Tan, Cindy Lo Kuen Lam

BMJ Open May 2022, 12 (5) e059430; DOI: 10.1136/bmjopen-2021-059430
Linkage of National Congenital Heart Disease Audit data to hospital, critical care and mortality national data sets to enable research focused on quality improvement
Ferran Espuny Pujol, Christina Pagel, Katherine L Brown, James C Doidge, Richard G Feltbower, Rodney C Franklin, Arturo Gonzalez-Izquierdo, Doug W Gould, Lee J Norman, John Stickley, Julie A Taylor, Sonya Crowe

BMJ Open May 2022, 12 (5) e057343; DOI: 10.1136/bmjopen-2021-057343
Association of multimorbidity and physical activity among older adults in India: an analysis from the Longitudinal Ageing Survey of India (2017–2018)
Bandita Boro, Nandita Saikia

BMJ Open May 2022, 12 (5) e053989; DOI: 10.1136/bmjopen-2021-053989
Drivers of paediatric inpatient experience: retrospective analysis of casemix factors for the Alberta Paediatric Inpatient Experience Survey in Alberta, Canada
Brian Jacob Steele, Paul Fairie, Kyle Kemp, Maria-Jose Santana

BMJ Open May 2022, 12 (5) e048207; DOI: 10.1136/bmjopen-2020-048207
Short-term and long-term prognostic value of histological response and intensified chemotherapy in osteosarcoma: a retrospective reanalysis of the BO06 trial
Eni Musta, Nan van Geloven, Jakob Anninga, Hans Gelderblom, Marta Fiocco

BMJ Open May 2022, 12 (5) e052941; DOI: 10.1136/bmjopen-2021-052941
Empirical comparisons of meta-analysis methods for diagnostic studies: a meta-epidemiological study
Kristine J Rosenberger, Haitao Chu, Lifeng Lin

BMJ Open May 2022, 12 (5) e055336; DOI: 10.1136/bmjopen-2021-055336
Systems approach to improving traumatic brain injury care in Myanmar: a mixed-methods study from lived experience to discrete event simulation
Katharina Kohler, Phyu Phyu Nwe Myint, Sein Wynn, Alexander Komashie, Robyn Winters, Myat Thu, Mu Mu Naing, Thinn Hlaing, Rowan Burnstein, Zaw Wai Soe, John Clarkson, David Menon, Peter John Hutchinson, Tom Bashford

BMJ Open May 2022, 12 (5) e059935; DOI: 10.1136/bmjopen-2021-059935

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