From: Comparison of risk-adjusted survival in two Scandinavian Level-I trauma centres
 | KUH | OUH | ||||
---|---|---|---|---|---|---|
 | Primary n = 4185 | Secondary n = 290 | p | Primary n = 2355 | Secondary n = 1236 | p |
Age, years | 38(25–54) | 48(29–61) | <0.001 | 37(25–53) | 46(27–64) | <0.001 |
ASA-PS | 1(1–1) | 1(1–2) | <0.001 | 1(1–2) | 1(1–2)a | <0.001 |
ISS | 5(1–11) | 17(12–26) | <0.001 | 8(2–17) | 14(8–22) | <0.001 |
NISS | 6 (2–17) | 27 (17–34) | <0.001 | 9 (2–22) | 17 (10–29) | <0.001 |