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Total injury visits
|
ED stay characteristic
|
SCS
|
SCSb
|
SCS
|
SCS
|
SCS
|
SCS
|
Statisticc
|
|---|
|
uncodablea
|
1
|
2
|
3
|
4
|
5
|
|---|
|
N = 8,632
|
N = 8,749
|
N = 218,681
|
N = 427,752
|
N = 73,329
|
N = 6,197
|
|---|
|
N = 763,733
|
% of all patients
|
3.8
|
1.2
|
28.6
|
56.0
|
9.6
|
0.8
|
---------
|
|
LOS (mean)d
|
191.3
|
109.8
|
138.3
|
170.9
|
284.8
|
386.6
|
<0.001
|
|
LOS (median)e
|
123
|
75
|
112
|
121
|
180
|
180
|
<0.001
|
|
% admit/ transfer/ died %f
|
7.5
|
1.1
|
1.5
|
6.7
|
36.3
|
73.4
|
<0.001
|
|
Median ISS
|
1
|
1
|
1
|
1
|
2
|
10
|
<0.001
|
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aICD-9CM code could not be mapped to SCS
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bSeverity Classification System (SCS) for all diagnoses for visit
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cTesting differences in LOS (Kruskal-Wallis test), increasing trend in median LOS (likelihood ratio test), and Admit % across various SCS (1-5 only) (Cochran-Armitage trend test)
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dCorresponding mean Length of stay (LOS) for each SCS in minutes (excluding visits resulting in death in ED n = 393)
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eCorresponding median Length of stay (LOS) for each SCS in minutes (excluding visits resulting in death in ED n = 393 (1039 deaths in non-injury group))
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fProportion of patients admitted/transferred/died
