Table 3.

Summary statistics for centre and country level characteristics in the CRASH-2 trial

Centre level characteristics	Mean (range)
Centre mean age (years)	36.3 (16.0–79.0)
GCS severe average centre proportion	0.23 (0–1)
GCS moderate average centre proportion	0.12 (0–1)
GCS mild average centre proportion	0.65 (0–1)
Time to treatment ≤ 1 h average centre proportion	0.06 (0–1)
Time to treatment 1–3 h average centre proportion	0.40 (0–1)
Time to treatment > 3 h average centre proportion	0.53 (0–1)
Penetrating injuries average centre proportion	0.25 (0–1)
Blunt* injuries average centre proportion	0.75 (0–1)
Country level characteristics
Proportion in low/lower middle-income countries	0.51

 Proportion in upper middle/high-income countries

0.49