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

From: Physician staffed helicopter emergency medical service case identification - a before and after study in children

  Period A (n = 71) Period B (n = 126) P value
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
  1. IQR interquartile range, SS injury severity score, MVA motor vehicle accident, MBA motor bike accident, ICU intensive care unit, LOS length of stay