Table 1 Background and characteristics of trauma patients in Sweden, March to June 2019 and 2020

Patient characteristics

 Patients (%)

3446 (100%)

2609 (100%)

 Women (%)

1123 (32.59%)

753 (28.86%)

 Age, years (SD)

43.63 (23.00)

43.01 (23.38)

 < 18 years (%)

459 (13.32%)

390 (14.95%)

 30-day mortality (%)

161 (4.67%)

133 (5.10%)

Transport

 Ground ambulance (%)

2802 (81.31%)

2084 (79.88%)

 Helicopter ambulance (%)

173 (5.02%)

164 (6.29%)

 Private vehicle (%)

92 (2.67%)

82 (3.14%)

 Walk-in (%)

92 (2.67%)

69 (2.64%)

Pre-hospital

 Pre-hospital cardiac arrest (%)

51 (1.48%)

49 (1.88%)

 Pre-hospital GCS < 9 (%)

136 (3.95%)

144 (5.52%)

 Time to hospital, minutes median (IQR)

54.00 (41.00–72.00)

55.00 (40.00–72.00)

In-hospital

 LOS, days (SD)

5.53 (14.08)

5.43 (10.55)

 Ventilator days, (SD)

4.72 (7.78)

5.91 (10.79)

 Discharge GOS at baseline (%)

1798 (52.18%)

1281 (49.10%)

Emergency intervention

 Thoracotomy

22 (0.64%)

13 (0.50%)

 Laparotomy

57 (1.65%)

42 (1.61%)

 Limb revascularisation

20 (0.58%)

8 (0.31%)

 Interventional radiology

27 (0.78%)

8 (0.31%)

 Craniotomy

32 (0.93%)

38 (1.46%)

 Intracranial pressure device

14 (0.57%)

26 (1.00%)

 Other

286 (8.30%)

279 (10.69%)

 No intervention performed

2974 (86.30%)

2145 (82.22%)

Intention

 Unintentional (%)

2973 (86.27%)

2188 (83.86%)

 Self-harm (%)

159 (4.61%)

118 (4.52%)

 Assault (%)

249 (7.23%)

220 (8.43%)

Injuries

 Blunt injuries (%)

3131 (90.86%)

2320 (88.92%)

 Penetrating injuries (%)

307 (8.91%)

247 (9.47%)

 Number of injuries (SD)

3.85 (3.89)

4.09 (3.96)

 ISS, median (IQR)

5 (1–12)

5 (1–13)

 NISS, median (IQR)

6 (2–17)

8 (3–17)

Discharge destination

 Home (%)

2537 (73.62%)

1880 (72.06%)

 Rehabilitation (%)

256 (7.43%)

213 (8.16%)

 Morgue (%)

140 (4.06%)

106 (4.06%)

 Other ICU (%)

144 (4.18%)

112 (4.29%)

 Other ward (%)

365 (10.59%)

248 (9.51%)