Selective outcome reporting is prevalent in surgical trials, indicating a need for stricter adherence to trial registration protocols.
Clinicians should scrutinize surgical RCT results for bias; leaves open whether stricter registration will improve reporting quality.
The quality of registration of surgical trials published in surgical journals was inferior to those published in general medical journals. Comparison of the primary outcomes of surgical RCTs registered with their subsequent publication indicated that selective outcome reporting is prevalent and appears to be higher than in general medical trials.
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Hannink et al. (2013) studied this question.
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