期刊
INTERNATIONAL JOURNAL OF PAEDIATRIC DENTISTRY
卷 33, 期 1, 页码 89-98出版社
WILEY
DOI: 10.1111/ipd.13024
关键词
Paediatric dentistry; randomised controlled trials; restorative treatment; selective reporting
This study aimed to evaluate the prevalence of selective outcome reporting (SOR) in randomised clinical trials (RCTs) on restorative treatment in primary teeth. The results showed that 53.3% of the published trials had SOR, and it was significantly associated with discrepancies in the follow-up period.
Background Selective outcome reporting (SOR) is a bias that occurs when the primary outcome of a randomised clinical trial (RCT) is omitted or changed. Aim To evaluate the prevalence of SOR in RCTs on restorative treatment in primary teeth. Design We conducted an electronic search on and the World Health Organization platform (International Clinical Trials Registry Platform) on 1(st) of April 2021, with no registry time or language restrictions. We included RCT protocols that evaluated restorative treatments in primary teeth and excluded trials that did not have a complete publication in a scientific journal. The chi-squared test was used to identify the association between SOR and variables as a discrepancy in the follow-up period, the timing of registration, the type of sponsorship and the type of study design (alpha = 5%). Results Of the 294 identified protocols, 30 were included in the study. 83.3% of trials were registered retrospectively. SOR was observed in 53.3% (n = 16) of the published trials and was significantly associated with a discrepancy in the follow-up period (p = .017). Conclusions The high prevalence of SOR in RCTs on restorative treatment proves that this is a prominent threat. A proper preregistered protocol, declaration of any protocol deviation and allowance of stakeholders to compare the protocol with that of the submitted papers will achieve transparency.
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