Foot lesion
|
Cut off 40
|
Cut off 35
|
---|
Run 1 + ve
|
Run 1 -ve
|
Run 2 + ve
|
Run 2 -ve
|
Run 1 + ve
|
Run 1 -ve
|
Run 2 + ve
|
Run 2 -ve
|
---|
aprB2
|
Positive
|
9
|
28
|
8
|
29
|
7
|
30
|
7
|
30
|
Negative
|
2
|
33
|
1
|
34
|
1
|
34
|
1
|
34
|
Overall % positive
| |
15.30%
| |
12.50%
| |
11.10%
| |
11.10%
|
McNemars two tailed p value
| |
< 0.0001
| |
< 0.0001
| |
< 0.0001
| |
< 0.0001
|
aprB2 cut off agreement
|
Run 2 + ve
|
8
|
1
| | |
8
|
0
| | |
Run 2 -ve
|
3
|
60
| | |
0
|
64
| | |
Kappa
|
0.768
|
“good”
| | |
1
|
“perfect”
| | |
aprV2
|
Positive
|
33
|
4
|
33
|
4
|
30
|
7
|
29
|
8
|
Negative
|
19
|
16
|
23
|
12
|
15
|
20
|
16
|
19
|
Overall % positive
| |
72.20%
| |
77.80%
| |
62.50%
| |
62.50%
|
McNemars two tailed p value
| |
0.0035
| |
0.0005
| |
0.1356
| |
0.153
|
aprV2 cut off agreement
|
Run 2 + ve
|
51
|
5
| | |
44
|
1
| | |
Run 2 -ve
|
1
|
15
| | |
1
|
26
| | |
Kappa
|
0.779
|
“good”
| | |
0.941
|
“very good”
| | |
- The p-value for McNemar’s test for independence between lesion score and rtPCR result is shown along with kappa statistic for agreement between rtPCR runs