Prick-by-Prick Test with Pasteurised Cow’s Milk: A Valuable Tool in Paediatric Practice

Table 1

The characteristics of the patients with positive oral food challenge reactions.

Patient number	Patient age (months)	Form of milk used during the OFC	Mean cow’s milk PBP wheal diameter (mm)	Cumulative protein dose reached (g)	Symptoms
1.	7	Infant formula	5.5	2.9	MP rash, diarrhoea
2.	12	Infant formula	7	0.2	MP rash
3.	12	Infant formula	9.5	2.9	MP rash
4.	19	Milk powder	9	4.4	Cough, wheezing
5.	20	Pasteurised	5.5	2.8	Diffuse erythema, conjunctivitis
6.	21	Pasteurised	6.5	6.8	MP rash
7.	22	Pasteurised	6.5	3.5	Urticaria, cough
8.	24	Milk powder	6	2.6	Skin erythema, diarrhoea, drowsiness
9.	25	Pasteurised	8	0.2	Anaphylaxis
10.	28	Pasteurised	7	1.8	Urticaria
11.	29	Pasteurised	6	0.4	Anaphylaxis
12.	31	Pasteurised	8	0.7	Urticaria
13.	31	Milk powder	4	2.6	Urticaria
14.	33	Pasteurised	9	6.8	Urticaria
15.	42	Pasteurised	9.5	0.2	MP rash
16.	48	Pasteurised	6	2.5	Diffuse erythema
17.	64	Pasteurised	6	6.8	Diffuse erythema, conjunctivitis
18.	100	Baked milk	22.5	4.4	Cough, wheezing

OFC: oral food challenge; PBP: prick-by-prick test; MP: maculopapular.