Health informatics

Involvement of methodological experts and the quality of clinical practice guidelines: a critical appraisal of clinical practice guidelines and a questionnaire survey of the development groups in Japan
Yosuke Hatakeyama, Kanako Seto, Ryo Onishi, Koki Hirata, Kunichika Matsumoto, Yinghui Wu, Tomonori Hasegawa

BMJ Open May 2023, 13 (5) e063639; DOI: 10.1136/bmjopen-2022-063639
Using routine healthcare data to determine the factors associated with hospital length of stay for hypertensive inpatients in Ghana, 2012–2017
Maxwell Afetor, Emmanuel Harris, Joyce B Der, Clement T Narh

BMJ Open May 2023, 13 (5) e066457; DOI: 10.1136/bmjopen-2022-066457
Prediction of medical sciences students’ performance on high-stakes examinations using machine learning models: a protocol for a systematic review
Haniye Mastour, Toktam Dehghani, Mahdie Jajroudi, Ehsan Moradi, Mitra Zarei, Saeid Eslami

BMJ Open May 2023, 13 (5) e064956; DOI: 10.1136/bmjopen-2022-064956
Symptoms and signs of lung cancer prior to diagnosis: case–control study using electronic health records from ambulatory care within a large US-based tertiary care centre
Maria G Prado, Larry G Kessler, Margaret A Au, Hannah A Burkhardt, Monica Zigman Suchsland, Lesleigh Kowalski, Kari A Stephens, Meliha Yetisgen, Fiona M Walter, Richard D Neal, Kevin Lybarger, Caroline A Thompson, Morhaf Al Achkar, Elizabeth A Sarma, Grace Turner, Farhood Farjah, Matthew J Thompson

BMJ Open Apr 2023, 13 (4) e068832; DOI: 10.1136/bmjopen-2022-068832
Development of an artificial intelligence system to identify hypoglycaemia via ECG in adults with type 1 diabetes: protocol for data collection under controlled and free-living conditions
Owain Cisuelo, Katy Stokes, Iyabosola B Oronti, Muhammad Salman Haleem, Thomas M Barber, Martin O Weickert, Leandro Pecchia, John Hattersley

BMJ Open Apr 2023, 13 (4) e067899; DOI: 10.1136/bmjopen-2022-067899
Use of YouTube by academic medical centres during the COVID-19 pandemic: an observational study in Taiwan
Yen-Ling Kuo, Ching-Heng Lin, Ya-Yu Wang, Gow-Jen Shieh, Wei-Min Chu

BMJ Open Apr 2023, 13 (4) e071085; DOI: 10.1136/bmjopen-2022-071085
Artificial intelligence-based mining of electronic health record data to accelerate the digital transformation of the national cardiovascular ecosystem: design protocol of the CardioMining study
Athanasios Samaras, Alexandra Bekiaridou, Andreas S Papazoglou, Dimitrios V Moysidis, Grigorios Tsoumakas, Panagiotis Bamidis, Grigorios Tsigkas, George Lazaros, George Kassimis, Nikolaos Fragakis, Vassilios Vassilikos, Ioannis Zarifis, Dimitrios N Tziakas, Konstantinos Tsioufis, Periklis Davlouros, George Giannakoulas

BMJ Open Apr 2023, 13 (4) e068698; DOI: 10.1136/bmjopen-2022-068698
Effects of a computerised diagnostic decision support tool on diagnostic quality in emergency departments: study protocol of the DDx-BRO multicentre cluster randomised cross-over trial
Thimo Marcin, Stefanie C Hautz, Hardeep Singh, Laura Zwaan, David Schwappach, Gert Krummrey, Stefan K Schauber, Mathieu Nendaz, Aristomenis Konstantinos Exadaktylos, Martin Müller, Cornelia Lambrigger, Thomas C Sauter, Gregor Lindner, Simon Bosbach, Ines Griesshammer, Wolf E Hautz

BMJ Open Mar 2023, 13 (3) e072649; DOI: 10.1136/bmjopen-2023-072649
Linguistic profile automated characterisation in pluripotential clinical high-risk mental state (CHARMS) conditions: methodology of a multicentre observational study
Luca Magnani, Luca Carmisciano, Felice dell’Orletta, Ornella Bettinardi, Silvia Chiesa, Massimiliano Imbesi, Giuliano Limonta, Elisa Montagna, Ilaria Turone, Dario Martinasso, Andrea Aguglia, Gianluca Serafini, Mario Amore, Andrea Amerio, Alessandra Costanza, Francesca Sibilla, Pietro Calcagno, Sara Patti, Gabriella Molino, Andrea Escelsior, Alice Trabucco, Lisa Marzano, Dominique Brunato, Andrea Amelio Ravelli, Marco Cappucciati, Roberta Fiocchi, Gisella Guerzoni, Davide Maravita, Fabio Macchetti, Elisa Mori, Chiara Anna Paglia, Federica Roscigno, Antonio Saginario

BMJ Open Mar 2023, 13 (3) e066642; DOI: 10.1136/bmjopen-2022-066642
Trends in healthcare utilisation of patients with migraine in South Korea: a retrospective observational study using Health Insurance Review and Assessment Service National Patient Sample data from 2010 to 2018
Sookyung Lee, Jiyoon Yeo, Sook-Hyun Lee, Yoon Jae Lee, Sangkwan Lee, In-Hyuk Ha

BMJ Open Mar 2023, 13 (3) e059926; DOI: 10.1136/bmjopen-2021-059926

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