|
Variable
|
Patients n
|
Beneficial ultrasound n (%)
|
Crude analysis
|
Adjusted analysis
|
|---|
|
OR
|
95% CI
|
p-value
|
OR
|
95% CI
|
p-value
|
|---|
|
Triage level
|
|
1 (ref)
|
79
|
2 (2.5)
|
1
|
–
|
–
|
–
|
–
|
–
|
|
2
|
109
|
32 (29.4)
|
16.0
|
(3.7; 69.1)
|
< 0.001
|
16.1
|
(3.7; 71.6)
|
< 0.001
|
|
3
|
175
|
56 (32.0)
|
18.1
|
(4.3; 76.4)
|
< 0.001
|
17.6
|
(4.1; 75.8)
|
< 0.001
|
|
4
|
34
|
16 (47.1)
|
34.2
|
(7.2; 162.4)
|
< 0.001
|
35.4
|
(7.2; 173.7)
|
< 0.001
|
|
5
|
6
|
3 (50.0)
|
38.5
|
(4.5; 323.6)
|
0.001
|
24.1
|
(2.4; 243.7)
|
0.007
|
|
Comorbidity
|
|
None (ref)
|
251
|
45 (17.9)
|
1
|
–
|
–
|
–
|
–
|
–
|
|
Cardiac disease
|
68
|
31 (45.6)
|
2.4
|
(1.4; 4.2)
|
0.003
|
2.3
|
(1.3; 4.3)
|
0.006
|
|
Hypertension
|
77
|
32 (41.6)
|
2.3
|
(1.3; 4.0)
|
0.005
|
2.4
|
(1.3; 4.4)
|
0.005
|
|
Pulmonary disease
|
40
|
22 (55.0)
|
3.5
|
(1.7; 7.0)
|
< 0.001
|
2.9
|
(1.4; 6.2)
|
0.004
|
|
Cancer
|
9
|
5 (55.6)
|
2.2
|
(0.5; 9.4)
|
0.302
|
3.2
|
(0.6; 17.3)
|
0.171
|
|
Diabetes
|
32
|
10 (31.3)
|
0.7
|
(0.3; 1.7)
|
0.479
|
0.6
|
(0.2; 1.4)
|
0.208
|
|
Training level
|
|
Specialist physician (ref)
|
85
|
20 (23.5)
|
1
|
–
|
–
| | | |
|
3rd year resident
|
64
|
21 (32.8)
|
1.6
|
(0.8; 3.3)
|
0.211
| | | |
|
1st year resident
|
254
|
68 (26.7)
|
1.2
|
(0.7; 2.1)
|
0.555
| | | |
