|
Age (years)
|
28 (21–39)
|
30 (22–38)
|
28 (20–36)
|
28 (21–37)
|
p = 0.08. No significant differences between groups.
|
|
Time from injury to first in-field encounter (hours)
|
0.5 (0.5–1.0)
|
0.5 (0.5–0.5)
|
0.5 (0.5–1)
|
0.5 (0.5–1)
|
p = 0.02.
|
|
Ketamine vs pentazocine group: p = 0.04.
|
|
Time from injury to hospital admission (hours)
|
2 (1.5–3.0)
|
2 (1.5–3.0)
|
3 (2.0–4.5)
|
2.5 (2–3.5)
|
p = <0.0001
|
|
Ketamine vs no analgesia p = <0.0001
|
|
Ketamine vs pentazocine p = <0.0001
|
|
PSS at first in-field encounter
|
10 (7–11)
|
10 (4–9)
|
10 (9–11)
|
10 (9–11)
|
p = <0.0001
|
|
Pentazocine vs no analgesia p = <0.0001
|
|
Ketamine vs no analgesia p = <0.0001
|
|
Injury severity score (ISS)
|
5 (4–13)
|
5 (4–9)
|
9 (4–9)
|
5 (4–9)
|
p = <0.0001
|
|
Pentazocine vs no analgesia p = <0.0001
|
|
Ketamine vs no analgesia p = <0.0001
|
|
Males (proportion)
|
233/275 = 0.85
|
672/888 = 0.76
|
602/713 = 0.84
|
1507/1876 = 0.80
|
p = <0.0001
|
|
All groups significantly different.
|
|
Blunt injury (proportion)
|
196/275 = 0.71
|
730/888 = 0.82
|
192/713 = 0.27
|
1118/1876 = 0.60
|
p = <0.0001
|
|
All groups significantly different.
|
