Validation of a Simple Score for Mortality Prediction in a Cohort of Unselected Emergency Patients
Table 1
Demographics of included and excluded presentations Data are shown as mean and SD for continuous variables and as count and percentage for categorical variables.
Excluded (n = 1661)
Included (n = 5648)
SMD
Age (mean (SD))
54.2 (22.3)
53.3 (21.6)
0.041
0.134
Sex (n (%) female)
734 (44.2)
2685 (47.5)
0.067
0.017
Emergency Severity Index (n (%))
0.350
<0.001
(i) 1
(i) 116 (7.0)
(i) 51 (0.9)
(ii) 2
(ii) 483 (29.1)
(ii) 1540 (27.3)
(iii) 3
(iii) 614 (37.0)
(iii) 2422 (42.9)
(iv) 4
(iv) 395 (23.8)
(iv) 1544 (27.3)
(v) 5
(v) 52 (3.1)
(v) 89 (1.6)
(vi) NA
(vi) 1 (0.0)
(vi) 2 (0.0)
Mortality (n (%))
(i) In hospital
†
(i) 33 (0.6)
0.192
(ii) 1 day
(ii) 7 (0.1)
0.163
(iii) 7 day
(iii) 25 (0.4)
0.232
(iv) 30 day
(iv) 69 (1.2)
0.261
(v) 100 day
(v) 152 (2.7)
0.252
(vi) 1 year
(vi) 330 (5.8)
0.258
Hospital admission (n (%))
686 (41.3)
1917 (33.9)
0.152
<0.001
NEWS (mean (SD))
2.67 (3.06)
1.27 (1.71)
0.561
<0.001
IMOP (%)
636 (38.3)
1444 (25.6)
0.323
<0.001
IMOP, impaired mobility on presentation; NEWS, National early warning score; SMD, standardized mean difference; SD, standard deviation. †as the excluded group included repeat presentations, mortality could not be calculated.