Table 1 Demographic, clinical, and imaging characteristics of the patient population by insurance status
Insurance status | |||||||
|---|---|---|---|---|---|---|---|
Characteristic | Overall | Commercial | Medicare | Medicaid | No Insurance | Government | p value |
Diagnostic imaging, mean (SD) | |||||||
All imaging during hospital stay | 15.1 (18.8) | 17.3 (20.5) | 13.5 (17.1) | 20.6 (26.1) | 13.8 (16.8) | 10.8 (12.0) | <0.001 |
All imaging during first 24-hours | 7.6 (6.7) | 8.7 (7.5) | 6.1 (5.7) | 8.4 (7.4) | 7.5 (6.3) | 6.5 (5.7) | <0.001 |
CT scans within first 24-hours** | 2.1 (1.9) | 2.4 (1.9) | 1.6 (1.7) | 2.2 (2.0) | 2.2 (2.0) | 1.9 (1.8) | <0.001 |
Male, no. (%) | 2528 (70.0) | 743 (67.7) | 374 (50.5) | 163 (61.5) | 1061 (82.4) | 187 (81.0) | <0.001 |
Race/Ethnicity, no. (%) | |||||||
White | 1944 (53.7) | 698 (63.6) | 532 (71.9) | 99 (37.4) | 482 (37.4) | 133 (57.6) | <0.001 |
Black | 1445 (39.9) | 345 (31.4) | 189 (25.5) | 149 (56.2) | 677 (52.6) | 85 (36.8) | |
Hispanic | 132 (3.6) | 25 (2.3) | 5 (0.7) | 7 (2.6) | 88 (6.8) | 7 (3.0) | |
Other | 100 (2.8) | 29 (2.6) | 14 (1.9) | 10 (3.8) | 41 (3.2) | 6 (2.6) | |
Age, mean (SD) | 45.8 (19.8) | 42.0 (16.5) | 71.9 (14.1) | 39.4 (15.6) | 36.6 (12.1) | 38.8 (16.3) | <0.001 |
ISS, mean (SD) | 9.2 (7.5) | 9.9 (7.6) | 8.6 (6.1) | 10.3 (9.4) | 9.0 (7.6) | 8.2 (7.0) | <0.001 |
Comorbidities (SD) | 0.5 (0.8) | 0.4 (0.7) | 0.8 (0.9) | 0.5 (0.8) | 0.4 (0.7) | 0.4 (0.7) | <0.001 |
Complications (SD) | 0.71 (0.93) | 0.70 (0.91) | 0.77 (0.93) | 0.90 (1.35) | 0.67 (0.86) | 0.55 (0.68) | <0.001 |
Blunt Injury, no. (%) | 3058 (84.0) | 975 (88.9) | 700 (94.6) | 217 (81.9) | 977 (75.9) | 189 (81.8) | <0.001 |
ICU admission (%) | 1280 (35.4) | 412 (37.6) | 278 (37.6) | 107 (40.5) | 417 (32.4) | 66 (28.6) | 0.002 |
LOS* (IQR) | 4 (7) | 5 (9) | 5 (7) | 5 (14) | 3 (7) | 3 (5) | <0.001 |