Research methods

Uniformity in measuring adherence to reporting guidelines: the example of TRIPOD for assessing completeness of reporting of prediction model studies
Pauline Heus, Johanna A A G Damen, Romin Pajouheshnia, Rob J P M Scholten, Johannes B Reitsma, Gary S Collins, Douglas G Altman, Karel G M Moons, Lotty Hooft

BMJ Open Apr 2019, 9 (4) e025611; DOI: 10.1136/bmjopen-2018-025611
Recruitment strategies in randomised controlled trials of men aged 50 years and older: a systematic review
Karen Bracken, Lisa Askie, Anthony C Keech, Wendy Hague, Gary Wittert

BMJ Open Apr 2019, 9 (4) e025580; DOI: 10.1136/bmjopen-2018-025580
Factors associated with hospitalisations in chronic conditions deemed avoidable: ecological study in the Spanish healthcare system
Ester Angulo-Pueyo, Manuel Ridao-López, Natalia Martínez-Lizaga, Sandra García-Armesto, Salvador Peiró, Enrique Bernal-Delgado

BMJ Open Feb 2017, 7 (2) e011844; DOI: 10.1136/bmjopen-2016-011844
Comparative safety and effectiveness of long-acting inhaled agents for treating chronic obstructive pulmonary disease: a systematic review and network meta-analysis
Andrea C Tricco, Lisa Strifler, Areti-Angeliki Veroniki, Fatemeh Yazdi, Paul A Khan, Alistair Scott, Carmen Ng, Jesmin Antony, Kelly Mrklas, Jennifer D'Souza, Roberta Cardoso, Sharon E Straus

BMJ Open Oct 2015, 5 (10) e009183; DOI: 10.1136/bmjopen-2015-009183
Systematic review protocol examining the influence of surgeon personality on perioperative decision making in abdominal surgery
Carly Nichola Bisset, Tracey McKee, Elliot Tilling, Mary Cawley, Susan Moug

BMJ Open Feb 2020, 10 (2) e035361; DOI: 10.1136/bmjopen-2019-035361
Comprehensive survey among statistical members of medical ethics committees in Germany on their personal impression of completeness and correctness of biostatistical aspects of submitted study protocols
Geraldine Rauch, Lorena Hafermann, Ulrich Mansmann, Iris Pigeot

BMJ Open Feb 2020, 10 (2) e032864; DOI: 10.1136/bmjopen-2019-032864
Evaluating follow-up and complexity in cancer clinical trials (EFACCT): an eDelphi study of research professionals’ perspectives
Helene Markham Jones, Ffion Curtis, Graham Law, Christopher Bridle, Dorothy Boyle, Tanweer Ahmed

BMJ Open Feb 2020, 10 (2) e034269; DOI: 10.1136/bmjopen-2019-034269
Trabeculotomy versus combined trabeculotomy–trabeculectomy for primary congenital glaucoma: study protocol of a randomised controlled trial
Lei Fang, Xinxing Guo, Yangfan Yang, Jian Zhang, Xiangxi Chen, Yingting Zhu, Jielei Huang, Jingjing Huang, Yimin Zhong, Xiaoyu Xu, Xing Liu

BMJ Open Feb 2020, 10 (2) e032957; DOI: 10.1136/bmjopen-2019-032957
Investigating mental defeat in individuals with chronic pain: Protocol for a longitudinal experience sampling study
Jenna L Gillett, Paige Karadag, Kristy Themelis, Yu-Mei Li, Sakari Lemola, Shyam Balasubramanian, Swaran Preet Singh, Nicole K Y Tang

BMJ Open Feb 2023, 13 (2) e066577; DOI: 10.1136/bmjopen-2022-066577
Codesigning an intervention to strengthen COVID-19 vaccine uptake in Congolese migrants in the UK (LISOLO MALAMU): a participatory qualitative study protocol
Alison F Crawshaw, Caroline Hickey, Laura Muzinga Lutumba, Lusau Mimi Kitoko, Sarah Nkembi, Felicity Knights, Yusuf Ciftci, Lucy Pollyanna Goldsmith, Tushna Vandrevala, Alice S Forster, Sally Hargreaves

BMJ Open Jan 2023, 13 (1) e063462; DOI: 10.1136/bmjopen-2022-063462

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