Research Article

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)0.0560.040
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)0.0770.006
 (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.