Table 1.

Inclusion and exclusion criteria for study sample

Inclusion	Exclusion
Primary admission or transfer to study hospital
Admission period July 1, 2000 - June 30, 2006
Subjects aged ≥ 16 years	Subjects aged < 16 years
Major injury to one of the body regions: head, spine, chest, pelvis, abdomen	Isolated injury to the limbs
Injury due to skiing or snowboarding kinematics	Injury due to side activities (e.g. malfunctioning of lift, during break)