Motorcycle collisions involving white-tailed deer in central and northern Wisconsin: a rural trauma center experience.

Background: Risk of deer motorcycle collisions (DMC) continues to increase in Midwestern and East Coast States and is a growing regional public health issue.

Methods: We conducted a retrospective chart review of all motorcycle collisions involving animals over a 9-year period from October 1993 to October 2002. Data collected included Injury Severity Score (ISS), injury type, outcome, use of helmets/alcohol, time of year/day.