|
Pre-intervention period n = 31,891
|
Intervention period n = 32,121
|
Odds ratio (95% CI)
|
p valuea
|
---|
One or more imaging procedures requested
|
15,558 (48.8)
|
15,550 (48.4)
|
0.99 (0.96–1.02)
|
0.344
|
Hospital admission
|
8467 (26.5)
|
8620 (26.8)
|
(0.98–1.05)
|
0.413
|
Cardiologyb
|
1742 (39.6)
|
1636 36.7)
|
0.88 (0.81–0.96)
|
0.005
|
Surgery/traumatologyc
|
1407 (14.7)
|
1649 (16.1)
|
1.12 (1.04–1.21)
|
0.004
|
Neurologyd
|
1714 (45.7)
|
1550 (41.0)
|
0.82 (0.75–0.90)
|
< 0.001
|
Internal medicinee
|
1376 (30.6)
|
1501 (32.3)
|
1.08 (0.99–1.18)
|
0.09
|
Other specialismf
|
2228 (23.1)
|
2284 (25.3)
|
1.13 (1.06–1.21)
|
< 0.001
|
Dead at the ED
|
39 (0.1)
|
50 (0.2)
|
1.27 (0.84–1.94)
|
0.257
|
Admission LOSg in minutes (IQR)
|
3940 (1539–8676)
|
3576 (1364–7411)
| |
< 0.001
|
- *Abbreviation: CI confidence interval, ED emergency department, IQR interquartile range
- ap values were calculated using χ2 tests, except for median admission LOS, which was calculated using the Mann-Whitney U test
- bBased on 8850 cardiology visits, 4396 in the pre-intervention period and 4454 in the intervention period
- cBased on 19,620 surgery/traumatology visits, 9601 in the pre-intervention period and 10,219 in the intervention period
- dBased on 7535 neurology visits, 3750 in the pre-intervention period and 3785 in the intervention period
- eBased on 9140 internal medicine visits, 4493 in the pre-intervention period and 4647 in the intervention period
- fOther specialism: all visits for other specialism besides cardiology, internal medicine, neurology, and surgery, based on 18,667 visits, 9651 in the pre-intervention period and 9016 in the intervention period
- gBased on 16,475 admissions (8388 in the control period and 8087 in the intervention period)