Characteristics of patients with traumatic bleeding in CRASH-2 and Trauma Audit and Research Network (TARN) by risk of death at baseline. Figures are numbers (percentages) unless stated otherwise
| Baseline risk | ||||
|---|---|---|---|---|
| ≤5% | 6-20% | 21-50% | >50% | |
| CRASH-2 | ||||
| No of patients | 4840 (36) | 5395 (41) | 1848 (14) | 1190 (9) |
| Men | 4111 (85) | 4457 (83) | 1533 (83) | 1002 (84) |
| Blunt injury | 2761 (57) | 3186 (59) | 1316 (71) | 980 (82) |
| Mean (IQR) age (years) | 27 (22-36) | 32 (25-44) | 35 (25-48) | 35 (25-49) |
| Mean (IQR) systolic blood pressure (mm Hg) | 100 (90-120) | 90 (80-110) | 80 (70-100) | 80 (60-90) |
| Mean (IQR) heart rate (per min) | 100 (90-112) | 106 (92-120) | 110 (97-124) | 118 (98-130) |
| Mean (IQR) respiratory rate (per min) | 20 (18-24) | 24 (20-28) | 24 (20-30) | 24 (16-30) |
| Mean (IQR) Glasgow coma score (total) | 15 (15-15) | 15 (13-15) | 10 (7-13) | 4 (3-6) |
| TARN (Trauma Audit and Research Network) | ||||
| No of patients | 6486 (48) | 4912 (36) | 1456 (11) | 743 (6) |
| Men | 4954 (76) | 3239 (66) | 861 (59) | 537 (72) |
| Blunt injury | 5303 (82) | 4339 (88) | 1312 (90) | 716 (96) |
| Mean (IQR) age (years) | 30 (22-41) | 52 (35-67) | 56 (31-82) | 42 (27-67) |
| Mean (IQR) systolic blood pressure (mm Hg) | 130 (118-142) | 126 (105-147) | 120 (96-156) | 103 (85-130) |
| Mean (IQR) heart rate (per min) | 85 (75-98) | 90 (76-108) | 100 (81-120) | 111 (94-130) |
| Mean (IQR) respiratory rate (per min) | 18 (16-22) | 20 (17-24) | 21 (18-26) | 22 (18-27) |
| Mean (IQR) Glasgow coma score (total) | 15 (15-15) | 15 (14-15) | 10 (7-15) | 3 (3-6) |
IQR=interquartile range.