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
|
0
|
21
|
2
|
19
|
0
|
21
|
0
|
21
|
Negative
|
18
|
279
|
10
|
287
|
4
|
293
|
4
|
293
|
Specificity
| |
93.90%
| |
96.60%
| |
98.70%
| |
98.70%
|
McNemars two tailed p value
| |
0.7488
| |
0.1374
| |
0.0014
| |
0.0014
|
aprB2 cut off agreement
|
Run 2 + ve
|
5
|
7
| | |
4
|
0
| | |
Run 2 -ve
|
13
|
293
| | |
0
|
314
| | |
Kappa
|
0.302
|
“fair”
| | |
1
|
“perfect”
| | |
aprV2
|
Positive
|
4
|
17
|
4
|
17
|
4
|
17
|
4
|
17
|
Negative
|
10
|
287
|
15
|
282
|
5
|
292
|
5
|
292
|
Specificity
| |
96.60%
| |
94.90%
| |
98.30%
| |
98.30%
|
McNemars two tailed p value
| |
0.2482
| |
0.8597
| |
0.019
| |
0.019
|
aprV2 cut off agreement
|
Run 2 + ve
|
12
|
7
| | |
9
|
0
| | |
Run 2 -ve
|
2
|
297
| | |
0
|
309
| | |
Kappa
|
0.713
|
“good”
| | |
1
|
“perfect”
| | |
- Specificity is shown along with p-value for McNemar’s test for independence between lesion score and rtPCR result, and kappa statistic for agreement between rtPCR runs