Table 3 Summary statistics for centre and country level characteristics in the CRASH-2 trial
From: Including random centre effects in design, analysis and presentation of multi-centre trials
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 |