Emergency Medical Individual Clinician Volume and Mortality in Trauma Patients | JAMA Surgery | JAMA Network

https://jamanetwork.com/journals/jamasurgery/article-abstract/2845373?utm_campaign=articlePDF&utm_medium=articlePDFlink&utm_source=articlePDF&utm_content=jamasurg.2025.6741

Apparently a study of ambulance and medevac crews not trauma doctors

No hard numbers here maybe paywall