Skip to main content

Table 4 Performance characteristics of casein sIgE

From: Prospective evaluation of testing with baked milk to predict safe ingestion of baked milk in unheated milk-allergic children

Casein sIgE cutoff value (kU/L)

No at or exceeding cutoff

No failing challenge at or exceeding cutoff

No passing challenge at or exceeding cutoff

Sensitivity

Specificity

PPV

NPV

0.00

29

12

17

1.00000

0.00000

0.41379

1.00000

1.00

24

12

12

1.00000

0.17647

0.5

1.00000

2.00

22

11

11

0.91667

0.29412

0.5

0.85714

3.00

20

11

9

0.91667

0.35294

0.55

0.88889

4.00

20

11

9

0.91667

0.47059

0.55

0.88889

5.00

19

11

8

0.91667

0.52941

0.57894

0.90000

6.00a

17

11

6

0.91667

0.64706

0.64705

0.91667

7.00

16

10

6

0.83333

0.64706

0.625

0.84615

8.00

16

10

6

0.83333

0.64706

0.625

0.84615

9.00

16

10

6

0.83333

0.64706

0.625

0.84615

10.00

14

8

6

0.66667

0.64706

0.57143

0.73333

20.00

9

6

3

0.50000

0.82353

0.66667

0.70000

30.00

6

3

3

0.25000

0.82353

0.50000

0.60870

40.00

4

2

2

0.16667

0.88235

0.50000

0.60000

50.00

4

2

2

0.16667

0.88235

0.50000

0.60000

60.00

3

1

2

0.08333

0.88235

0.33333

0.57692

70.00

2

1

1

0.08333

0.94118

0.50000

0.59259

80.00

2

1

1

0.08333

0.94118

0.50000

0.59259

90.00

2

1

 

0.08333

0.94118

0.50000

0.59259

>100.00

2

1

 

0.08333

0.94118

0.50000

0.59259

  1. aOptimal cutoff point for sensitivity and specificity