Table 1:
The PPV of a correct ED diagnosis according to the grade of referring ED clinician.
ED grade
Total (
)
Correct (
)
Incorrect (
)
PPV (%)
value
**
Consultant
437
362
75
82.8
0.012
SpR/StR 3+
1,142
921
221
80.6
0.019
SHO/StR 1-2
2,195
1,677
518
76.4
0.030
NP
3,425
2,617
808
76.4
0.002
OTU
250
234
16
93.6
<0.0001
All grades
7,449
5,811
1,638
77.5
—
**
Chi-square tests.