Characteristic | ≥15–<50 | ≥50–<65 | ≥65–<75 | ≥75–<85 | ≥85 | p Value* | |||||
---|---|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | n | % | ||
Gender (male) | 47 273 | 57.2 | 11 992 | 54.6 | 4215 | 55.2 | 3190 | 44.7 | 1784 | 29.3 | <0.00001 |
Arrival by own means | 62 981 | 76.2 | 14 706 | 66.9 | 4321 | 56.6 | 2681 | 37.6 | 1083 | 17.8 | <0.00001 |
Arrival by ambulance | 19 410 | 23.5 | 7118 | 32.4 | 3224 | 42.2 | 4327 | 60.7 | 4839 | 79.6 | |
Arrival by intensive-care-equipped ambulance | 259 | 0.3 | 158 | 0.7 | 90 | 1.2 | 121 | 1.7 | 160 | 2.6 | |
Acuity level 5 | 23 034 | 27.9 | 5499 | 25.0 | 1299 | 17.0 | 594 | 8.3 | 194 | 3.2 | <0.00001 |
Acuity level 4 | 24 692 | 29.9 | 6019 | 27.4 | 1697 | 22.2 | 1057 | 14.8 | 449 | 7.4 | |
Acuity level 1–3 | 34 924 | 42.3 | 10 464 | 47.6 | 4639 | 60.8 | 5478 | 76.8 | 5439 | 89.4 | |
ED final outcome | <0.0001 | ||||||||||
Not admitted | 70 043 | 84.8 | 16 000 | 72.8 | 4433 | 58.1 | 3189 | 44.7 | 1993 | 32.8 | |
Admitted to OU | 7977 | 9.7 | 3887 | 17.7 | 2181 | 28.6 | 2801 | 39.3 | 3050 | 50.1 | |
Transferred | 1763 | 2.1 | 701 | 3.2 | 294 | 3.9 | 350 | 4.9 | 288 | 4.7 | |
Admitted to MSW | 2866 | 3.5 | 1394 | 6.3 | 727 | 9.5 | 789 | 11.1 | 748 | 12.3 | |
ED final outcome, admitted (yes) | 12 607 | 15.3 | 5982 | 27.2 | 3202 | 41.9 | 3940 | 55.3 | 4089 | 67.2 | <0.00001 |
OU final outcome, not admitted (yes) | 5847 | 73.3 | 2137 | 55.0 | 856 | 39.2 | 847 | 30.2 | 753 | 24.7 | <0.00001 |
OU final outcome, transferred (yes) | 698 | 8.8 | 516 | 13.3 | 372 | 17.1 | 764 | 27.3 | 993 | 32.6 | <0.00001 |
OU final outcome, admitted to MSW (yes) | 1425 | 17.9 | 1210 | 31.2 | 945 | 43.3 | 1160 | 41.4 | 1208 | 39.6 | <0.00001 |
ED+OU final outcome, transferred (yes) | 2461 | 3.0 | 1217 | 5.5 | 666 | 8.7 | 1114 | 15.6 | 1281 | 21.1 | <0.00001 |
ED+OU final outcome, admitted to MSW (yes) | 4291 | 5.2 | 2607 | 11.9 | 1672 | 21.9 | 1949 | 27.3 | 1957 | 32.2 | <0.00001 |
*p Value for χ2 test comparisons between age groups and studied variables.
For two-category variables such as gender and outcomes, only data for ‘male’ (vs ‘female’) and ‘yes’ (vs ‘no’) categories are presented.
ED, emergency department; LOS, length of stay; MSW, medical or surgical ward; OU, observation unit.