Table 2.
Baseline characteristics of the 444 hospitals by quartile of hospital-level ICU use.
| Hospital characteristic | Hospital-level Proportion of Patients with Isolated Blunt Solid Organ Injuries Admitted to an ICU | P value | |||
|---|---|---|---|---|---|
| Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | ||
| 0–27% | 27–44% | 44–59% | 59–95% | ||
| n = 111 | n = 112 | n = 110 | n = 111 | ||
| Eligible hospitalizations/year, mean ± SD | 34.1 ± 26.2 | 32.2 ± 21.2 | 32.7 ± 22.2 | 29.9 ± 19.3 | 0.56 |
| Trauma center level, n (%) | |||||
| I | 53 (48) | 43 (38) | 49 (44) | 43 (39) | 0.90 |
| II | 48 (43) | 54 (48) | 51 (46) | 54 (49) | |
| III | 9 (8) | 11 (10) | 7 (6) | 11 (10) | |
| IV | 0 (0) | 1 (1) | 0 (0) | 1 (1) | |
| Not described | 1 (1) | 3 (3) | 3 (3) | 2 (2) | |
| Teaching status, n (%) | |||||
| Community | 48 (43) | 47 (42) | 38 (34) | 61 (55) | 0.008 |
| Non-teaching | 15 (14) | 18 (16) | 31 (28) | 20 (18) | |
| University | 48 (43) | 47 (42) | 41 (37) | 30 (27) | |
| Geographic region, n (%) | |||||
| Northeast | 27 (24) | 26 (23) | 18 (16) | 20 (18) | 0.15 |
| South | 35 (32) | 39 (35) | 40 (36) | 35 (32) | |
| Midwest | 23 (21) | 25 (22) | 26 (24) | 21 (19) | |
| West | 22 (20) | 21 (19) | 26 (24) | 35 (32) | |
| Not described | 4 (4) | 1 (1) | 0 (0) | 0 (0) | |
| Number of adult beds, n (%) | |||||
| ≤250 (or not described) | 18 (16) | 11 (10) | 22 (20) | 22 (20) | 0.081 |
| 251–350 | 27 (24) | 29 (26) | 19 (17) | 34 (31) | |
| 351–500 | 26 (23) | 29 (26) | 28 (25) | 31 (28) | |
| >500 | 40 (36) | 43 (38) | 41 (37) | 24 (22) | |
| Number of trauma ICU beds, n (%) | |||||
| ≤15 | 19 (17) | 24 (21) | 21 (19) | 22 (20) | 0.85 |
| 16–25 | 35 (32) | 34 (30) | 40 (36) | 39 (35) | |
| 26–35 | 25 (22) | 17 (15) | 15 (14) | 19 (17) | |
| >35 | 32 (29) | 37 (33) | 34 (31) | 31 (28) | |
| Telemetry/step-down unit available, n (%) | 91 (82) | 95 (85) | 91 (83) | 93 (84) | 0.95 |
Abbreviations: ICU, intensive care unit.