Resource use and hospital disposition
| Characteristics Median (25th–75th) or N (%) | Overall N=1008 | S N=292 | W N=253 | NE N=182 | MA N=281 | P value |
| Received massive blood transfusion in the ED | 109 (11) | 67 (23) | 9 (4) | 3 (2) | 30 (11) | <0.001 |
| Received blood transfusion during stay | 238 (25) | 100 (35) | 26 (13) | 27 (15) | 85 (30) | <0.001 |
| Hospital length of stay (days) | 2 (1–6) | 3 (1–7) | 1 (1–5) | 2 (1–6) | 2 (1–6) | <0.001 |
| Sequential imaging performed | 369 (37) | 121 (41) | 30 (12) | 83 (46) | 135 (48) | <0.001 |
| Sequential labs drawn | 397 (39) | 137 (47) | 20 (8) | 103 (57) | 137 (49) | <0.001 |
| ED disposition | <0.001 | |||||
| Admit to inpatient | 416 (41) | 105 (36) | 74 (29) | 82 (45) | 155 (55) | |
| Admit to ICU | 163 (16) | 52 (18) | 41 (16) | 23 (13) | 47 (17) | |
| Admit to OR | 263 (26) | 81 (28) | 57 (23) | 58 (32) | 67 (24) | |
| Discharge home | 109 (11) | 37 (13) | 70 (28) | 1 (0) | 1 (0) | |
| Transfer to another facility | 8 (1) | 3 (1) | 3 (1) | 0 (0) | 1 (0) | |
| Death in the ED | 49 (5) | 13 (4) | 8 (3) | 18 (10) | 10 (4) | |
| Final disposition | <0.001 | |||||
| Home | 805 (80) | 220 (76) | 213 (84) | 142 (78) | 230 (82) | |
| Transferred to another facility | 36 (3) | 24 (8) | 7 (3) | 2 (1) | 3 (1) | |
| Legal authority | 18 (2) | 4 (1) | 0 (0) | 2 (1) | 12 (4) | |
| Rehab hospital | 58 (6) | 14 (5) | 15 (6) | 10 (6) | 19 (7) | |
| Unknown | 3 (0) | 0 (0) | 3 (1) | 0 (0) | 0 (0) | |
| Death (ED/inpatient) | 88 (9) | 30 (10) | 15 (6) | 26 (14) | 17 (6) | |
| Rehospitalization (≥1) | 133 (13) | 59 (20) | 13 (5) | 11 (6) | 50 (18) | <0.001 |
Missing: LOS, n=17; blood transfusion, n=33; sequential imaging >2 days of imaging; sequential labs >2 days of blood draws.
Bold indicates statistical significance.
ED, emergency department; ICU, intensive care unit; LOS, length of stay; MA, Mid-Atlantic; NE, Northeast; OR, operating room; S, South or Southern; W, West.