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. 2021 Jul 13;16:38. doi: 10.1186/s13017-021-00381-0

Fig. 4.

Fig. 4

Mortality rates for different subgroup analysis at different stages of trauma system development. 1 Trauma centre and mortality rate for older paediatric’ patients (≤ 18 years). 2 Trauma system implementation/maturation and road trauma mortality. 3 Trauma system implementation/maturation and mortality for severely injured patients (ISS > 15)