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

Table 3 Performance characteristics of SPT to muffin slurry

Muffin test cutoff value (mm)	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	30	12	18	1.00000	0.00000	0.40000	1.00000
1.00	26	12	14	1.00000	0.22222	0.46154	1.00000
2.00	25	12	13	1.00000	0.27778	0.48000	1.00000
3.00	22	12	10	1.00000	0.44444	0.54545	1.00000
4.00^a	18	11	7	0.91667	0.61111	0.61111	0.91667
5.00	15	9	6	0.75000	0.66667	0.60000	0.80000
6.00	13	7	6	0.58333	0.66667	0.53846	0.70588
7.00	8	4	4	0.33333	0.77778	0.50000	0.63636
8.00	5	2	3	0.16667	0.83333	0.40000	0.60000
9.00	3	0	3	0.00000	0.83333	0.00000	0.55556
10.00	2	0	2	0.00000	0.88889	0.00000	0.57143
11.00	2	0	2	0.00000	0.88889	0.00000	0.57143
12.00	1	0	1	0.00000	0.94444	0.00000	0.58621
13.00	1	0	1	0.00000	0.94444	0.00000	0.58621
14.00	0	0	0	0.00000	1.00000	0.00000	0.60000

ISSN: 1710-1492