Subsequent Injury Definition, Classification, and Consequence


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Abstract

ObjectiveTo examine if different definitions of “recurrent injury” affect the distribution of subsequent injury types and their consequences.DesignSecondary analysis of prospective injury data.SettingCircus shows.ParticipantsCircus artists (n = 1281).Main Outcome MeasuresA subsequent injury after an index injury was categorized as (1) new injury: different location; (2) local injury: same location, different type; and (3) recurrent injury: same location/type. Subsequent injuries were stratified according to when they occurred after the index injury: early (≤90 performances), late (91-540 performances), and delayed (>540 performances). “Healed injury” was either date of return to full participation (RTP) or last treatment.ResultsEight hundred twenty-one artists (64%) incurred 2 medical attention injuries, and 296 artists (23%) incurred 2 time loss injuries. In both medical attention and time loss injuries, recurrent (range, 7.5%-8.3%) and local injuries (range, 4%-7%) occurred less frequently than subsequent new injuries (range, 81%-87%). Time loss injuries recurred later than medical attention injuries. The pattern of early, late, and delayed injuries was similar for new, local, and recurrent injuries. A greater number of “early” injuries are seen with the treatment definition compared with RTP. Subsequent injuries had similar number of treatments and missed performances (consequences) as index injuries.ConclusionsIn our data, there were a greater number of local and recurrent time loss injuries compared with medical attention injuries, but the injury definition did not affect the relative number of early, late, or delayed injuries. Recurrent injuries are an important component of injury prevention, and clear definitions when presenting recurrent injury data are necessary.

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