Table 1 Patient characteristics comparing Period A (May 2008 –March 2011) with Period B (March 2011–September 2014)

Median (IQR) age, years

6 (2–12)

8 (3–13)

0.232

Median (IQR) ISS, all patients

• Paramedic patients

• Physician patients

22 (17–25)

18 (16–22)

25 (20–29)

25 (19–29)

25 (17–26)

26 (25–31)

0.012

0.009

0.284

Mechanism of injury (n, %)

0.206

 Drowning

 Fall

 MVA

 MBA

 Pedal cyclist

 Pedestrian

 Hanging/suffocation

 Other

12 (16.9)

20 (28.2)

6 (8.5)

1 (1.4)

3 (4.2)

14 (19.7)

2 (2.8)

13 (18.3)

15 (11.9)

42 (33.3)

6 (4.8)

10 (7.9)

5 (4.0)

28 (22.2)

8 (6.3)

12 (9.5)

ICU admission (n, %)

44 (62.0)

76 (60.3)

0.819

Median (IQR) ICU LOS, days

1 (0–6)

1 (0–3)

0.357

Median (IQR) hospital LOS, days

7 (1–15)

6 (2–19)

0.657