Collaboration in orthodontic clinical trials: prevalence and association with sample size and funding.

Al-Moghrabi, D; Tsichlaki, A; Pandis, Nikolaos; Fleming, P S (2018). Collaboration in orthodontic clinical trials: prevalence and association with sample size and funding. Progress in orthodontics, 19(1), p. 16. Springer 10.1186/s40510-018-0215-3

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BACKGROUND To assess patterns of research collaboration in orthodontics and possible relationships with sample size and funding status. METHODS Orthodontic randomised and non-randomised controlled clinical trials published between 2013 and 2017 were identified through electronic searching. The nature of collaboration, author institutions, study setting, sample size, and funding status were assessed. Linear and logistic regression analyses were applied. RESULTS Of 1153 studies, 217 met the selection criteria. The majority of studies were authored by university academics (86%), were conducted in a single centre (71.9%) and in at least one university hospital (68.2%). The number of practice-based trials (10.1%), as well as the involvement of specialist practitioners (5.2%) in co-authorship, was limited. Multi-centred studies within a single country were associated with a significantly larger sample size compared to single-centred trials (P = 0.00; 95% confidence interval [CI] 33.59, 106.93). However, authorship collaboration either nationally (odds ratio [OR] 2.37; 95% CI 0.85, 6.57) or internationally across different continents (OR 5.54; 95% CI 0.62, 49.52) did not translate into increased funding. CONCLUSIONS Most orthodontic studies were undertaken in university hospital settings within a single country. Collaboration is common in orthodontics but involvement of practice settings remains limited, suggesting a need for stimulation of practice-based research and research partnerships.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > School of Dental Medicine > Department of Orthodontics

UniBE Contributor:

Pandis, Nikolaos

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2196-1042

Publisher:

Springer

Language:

English

Submitter:

Renate Imhof-Etter

Date Deposited:

11 Mar 2019 10:37

Last Modified:

17 Mar 2019 02:35

Publisher DOI:

10.1186/s40510-018-0215-3

PubMed ID:

29888375

BORIS DOI:

10.7892/boris.124027

URI:

https://boris.unibe.ch/id/eprint/124027

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