Table 2.
Patient characteristics
| UMCU | JHH | HMC | |
|---|---|---|---|
| Patients, n | 955 | 1146 | 4049 |
| Patients ISS > 15 (n) (%) | 300 (31.5) | 412 (36.0)a | 1375 (34.0) |
| Type of injury | |||
| Blunt (n) (%) | 889 (93.1) | 1086 (94.8) | 3508 (86.6)ab |
| Penetrating (n) (%) | 66 (6.9) | 60 (5.2) | 541 (13.4)ab |
| Mean age (SD) | 51.5 (21.057) | 45.7 (20.284)a | 49.5 (20.599)ab |
| Gender | |||
| Male (n) (%) | 608 (63.6) | 836 (72.9)a | 2741 (67.7)ab |
| Female (n) (%) | 348 (36.4) | 310 (27.1)a | 1308 (32.2)ab |
| ISS | |||
| Mean (SD) | 11.7 (9.735) | 13.5 (10.514)a | 13.4 (10.977)a |
| Median (IQR) | 9 (4–17) | 10 (5–17)a | 10 (5–17)a |
| ISS, patients ISS > 15 | |||
| Mean (SD) | 23.4 (7.551) | 24.4 (9.940)a | 25.5 (10.170)a |
| Median (IQR) | 21 (17–26) | 22 (17–28.5)a | 22 (17–29)a |
| ISS subgroups | |||
| ISS < 9 (median, IQR) | 4 (2–5) | 5 (4–6)a | 5 (4–5)a |
| ISS 9–15 (median, IQR) | 10 (9–12) | 10 (9–13)a | 10 (9–12)a |
| ISS 16–24 (median, IQR) | 17 (17–21) | 17 (17–21) | 17 (17–21) |
| ISS 24–40 (median, IQR) | 27 (25–29.75) | 29 (25–33) | 29 (26–33)a |
| ISS > 40 (median, IQR) | 43 (41–49) | 50 (45–57)a | 48 (43–57)a |
| RTS, mean (SD) | 7.31 (0.997) | 7.44 (0.964)a | 7.17 (1.316)a |
| Mean Ps (SD) | 0.92 (0.162) | 0.93 (0.154)a | 0.90 (0.194)ab |
| Neurotrauma (n) (%) | 457 (47.9) | 690 (60.2) | 1702 (42.0) |
| Mild (AIS ≤ 3) (n) (%) | 261 (27.3) | 481 (42.0)a | 989 (24.4)b |
| Severe (AIS ≥ 4) (n) (%) | 196 (20.5) | 209 (18.2) | 712 (17.6)a |
| ICU admission (n) (%) | 197 (20.6) | 181 (15.8)a | 1954 (48.3)ab |
| H-LOS, days | |||
| Mean (SD) | 10.5 (13.331) | 8.9 (14.347)a | 8.2 (11.301)a |
| Median (IQR) | 6 (2–13) | 5 (3–9)a | 5 (2–9)a |
| ICU-LOS, days | |||
| Mean (SD) | 7.0 (10.438) | 6.7 (6.995) | 5.4 (5.853) |
| Median (IQR) | 3 (2–9) | 4 (2–8) | 3 (3–6) |
| Mortality | 62 (6.5) | 41 (3.6)a | 194 (4.8)a |
| Mortality, patients ISS > 15 | 54 (18 %) | 40 (9.7 %)a | 171 (12.4 %)a |
asignificantly different from UMCU
bsignificantly different from JHH