Validation of a Simple Score for Mortality Prediction in a Cohort of Unselected Emergency Patients
Table 2
Demographics of patients stratified by the SPS of ≥2. Data are shown as mean and SD for continuous variables and as count and percentage for categorical variables.
<2 (n = 3272)
≥2 (n = 2376)
SMD
Age (mean (SD))
42.3 (16.0)
68.3 (18.9)
1.480
<0.001
Sex (n (%) female)
1517 (46.4)
1168 (49.2)
0.056
0.040
Emergency Severity Index (n (%))
0.999
<0.001
(i) 1
(i) 1 (0.0)
(i) 50 (2.1)
(ii) 2
(ii) 532 (16.3)
(ii) 1008 (42.4)
(iii) 3
(iii) 1290 (39.4)
(iii) 1132 (47.6)
(iv) 4
(iv) 1364 (41.7)
(iv) 180 (7.6)
(v) 5
(v) 83 (2.6)
(v) 6 (0.3)
(vi) NA
(vi) 2 (0.0)
(vi) 0
Mortality (n (%))
(i) In hospital
(i) 0 (0)
(i) 33 (1.4)
0.168
<0.001
(ii) 1 day
(ii) 0 (0)
(ii) 7 (0.3)
0.077
0.006
(iii) 7 day
(iii) 0 (0)
(iii) 25 (1.1)
0.146
<0.001
(iv) 30 day
(iv) 2 (0.1)
(iv) 67 (2.8)
0.233
<0.001
(v) 100 day
(v) 7 (0.2)
(v) 145 (6.1)
0.342
<0.001
(vi) 1 year
(vi) 19 (0.6)
(vi) 311 (13.1)
0.512
<0.001
Hospital admission (n (%))
177 (5.4)
1740 (73.2)
1.929
<0.001
NEWS (mean (SD))
0.70 (1.08)
2.06 (2.08)
0.823
<0.001
IMOP (n (%))
115 (3.5)
1329 (55.9)
1.397
<0.001
IMOP, impaired mobility on presentation; NEWS, National early warning score; SMD, standardized mean difference; SD, standard deviation.