The reason may be due to the data collection methods or the difference in injury introduction, because the study of Pieter et al. (1997) was a prospective study, while the present study was a retrospective study with a wide range of population
Thereason may be due to the data collection methods or the difference in injury introduction, because the study ofPieter et al. (1997) was a prospective study, while the present study was a retrospective study with a wide rangeof population