|
Characteristics, n (%)
|
Period 1, N = 518 (50%)
|
Period 2, N = 507 (49%)
|
P-value
|
|---|
|
Sex, (male)
|
373 (72%)
|
371 (73%)
|
0.68
|
|
Race (white) (missing 58)
| | |
0.15
|
|
White
|
343 (71%)
|
329 (68%)
| |
|
Black
|
106 (22%)
|
109 (22%)
| |
|
Other
|
32 (7%)
|
49 (10%)
| |
|
Age range, years
| | |
0.44
|
|
18–20
|
21 (4%)
|
31 (6%)
| |
|
21–34
|
162 (32%)
|
152 (30%)
| |
|
35–64
|
244 (47%)
|
243 (48%)
| |
|
≥ 65
|
91 (18%)
|
81 (16%)
| |
|
Mechanism of injury
| | |
0.05
|
|
Fall
|
167 (32%)
|
147 (29%)
| |
|
Motor vehicle crash
|
132 (25%)
|
122 (24%)
| |
|
Motorcycle crash
|
39 (8%)
|
34 (7%)
| |
|
Assault
|
38 (7%)
|
22 (4%)
| |
|
Gunshot wound
|
51 (10%)
|
64 (13%)
| |
|
Other
|
91 (18%)
|
118 (23%)
| |
|
Injury severity score
| | |
0.37
|
|
1–9
|
297 (57%)
|
269 (53%)
| |
|
10–15
|
92 (18%)
|
96 (19%)
| |
|
≥ 16
|
129 (25%)
|
142 (28%)
| |
|
CCI, median (IQR), range
|
0 (0–2), (0–7)
|
0 (0–2), (0–7)
|
0.89
|
|
Comorbidities
|
|
Mental illness
|
76 (15%)
|
67 (13%)
|
0.50
|
|
Alcoholism
|
75 (14%)
|
130 (26%)
|
< 0.001
|
|
Substance abuse
|
59 (11%)
|
115 (23%)
|
< 0.001
|
|
State
|
|
Colorado
|
171 (33%)
|
160 (32%)
|
0.62
|
|
Texas
|
72 (14%)
|
98 (19%)
|
0.02
|
|
Missouri
|
187 (36%)
|
188 (37%)
|
0.74
|
|
Kansas
|
88 (17%)
|
61 (12%)
|
0.02
|
|
LOS, median (IQR), days
|
3 (2–7)
|
3 (2–7)
|
0.58
|
|
ICU stay
|
224 (43%)
|
192 (38%)
|
0.08
|
|
In-hospital mortality
|
23 (4%)
|
25 (5%)
|
0.70
|
- Period 1: March 16, 2019-May 31, 2019; Period 2: March 16, 2020-May 31, 2020. CCI, Charlson Comorbidity Index; LOS, hospital length of stay; IQR, interquartile range; ICU, intensive care unit
