Table 4 Patient characteristics and prehospital assessment in relation to need for hospital resources among patients discharged from the ED

n=1006

n=1689

Age (years)²

16-33

254 (25.2)

392 (23.2)

34-55

268 (26.6)

411 (24.3)

0.99 (0.80-1.24, p=0.955)

56-75

251 (25.0)

434 (25.7)

1.12 (0.90-1.40, p=0.315)

>75

233 (23.2)

452 (26.8)

1.26 (1.01-1.57, p=0.045)

Gender

Female

513 (51.0)

899 (53.2)

Male

493 (49.0)

790 (46.8)

0.91 (0.78-1.07, p=0.262)

Dispatch (17)³

Prio 1

432 (43.3)

859 (51.1)

Prio 2

509 (51.0)

763 (45.4)

0.75 (0.64-0.89, p=0.001)

Prio 3

57 (5.7)

58 (3.5)

0.51 (0.35-0.75, p=0.001)

Triage colour (84)

Red

14 (1.4)

95 (5.8)

Orange

234 (23.9)

627 (38.4)

0.39 (0.21-0.68, p=0.002)

Yellow

549 (56.1)

770 (47.2)

0.21 (0.11-0.35, p<0.001)

Green

181 (18.5)

141 (8.6)

0.11 (0.06-0.20, p<0.001)

Previous history

Healthy

181 (18.0)

329 (19.5)

1

208 (20.7)

331 (19.6)

0.88 (0.68-1.12, p=0.299)

2

187 (18.6)

269 (15.9)

0.79 (0.61-1.03, p=0.078)

≥3

430 (42.7)

760 (45.0)

0.97 (0.78-1.21, p=0.800)

Time of day

08 - 16

392 (39.0)

746 (44.2)

16-22

316 (31.4)

458 (27.1)

0.76 (0.63-0.92, p=0.005)

22-08

298 (29.6)

485 (28.7)

0.86 (0.71-1.03, p=0.105)

Alcohol/drugs

Yes

128 (12.7)

188 (11.1)

0.86 (0.68-1.09, p=0.214)

Medication

Yes

215 (21.4)

458 (27.1)

1.37 (1.14-1.65, p=0.001)