Primary care doctors in acute call-outs to severe trauma incidents in Norway - associations with factors related to patients and doctors.

PCDs called out to a relatively low proportion of severe trauma patients. Several factors related to patients and doctors were associated with call-outs to severe trauma incidents in Norway.Key pointsFactors related to doctors and patients affect the Primary Care Doctor's (PCD's) decision to call out to severe trauma incidents.PCDs were involved in 39% out of 4342 severe trauma incidents and called out to 15%.Increased proportion of PCD call-outs to severe trauma incidents was significantly associated with lower age of the PCD and being a GP specialist.Lower patient age, being a male patient, and injury to the head and the neck increased the likelihood of PCD call-outs.