|
Total non-injury visits
|
ED stay characteristic
|
SCS
|
SCSb
|
SCS
|
SCS
|
SCS
|
SCS
|
Statisticc
|
|---|
|
uncodablea
|
1
|
2
|
3
|
4
|
5
|
|---|
|
N = 118,716
|
N = 68,919
|
N = 73,0829
|
N = 1,097,318
|
N = 276,787
|
N = 24,688
|
|---|
|
N = 2,328,916
|
% of all patients
|
5.1
|
3.0
|
31.4
|
47.3
|
12.2
|
1.1
|
---------
|
|
LOS (mean)d
|
222.4
|
112.4
|
142.4
|
218.3
|
367.2
|
452.9
|
<0.001
|
|
LOS (median)e
|
128
|
77
|
104
|
158
|
240
|
242
|
<0.001
|
|
% admit/ transfer/ died %f
|
4.5
|
1.0
|
1.9
|
12.3
|
50.9
|
81.5
|
<0.001
|
-
aICD-9CM code could not be mapped to SCS
-
bSeverity Classification System (SCS) for all diagnoses for visit
-
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)
-
dCorresponding mean Length of stay (LOS) for each SCS in minutes (excluding visits resulting in death in ED n = 393)
-
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))
-
fProportion of patients admitted/transferred/died
