Skip to main content

Table 1 Characteristics of children undergoing open oral food challenge (OFC) to wheat vs those undergoing OFC to other foods

From: Oral food challenge to wheat: a near-fatal anaphylaxis and review of 93 food challenges in children

 

All OFC

OFC positive

Multisystemic reactions

Epinephrine

Wheat (93)

Other (1094)

p

Wheat (39)

Other (489)

p

Wheat (28)

Other (330)

p

Wheat (17)

Other (135)

p

Age (mean ± SE)

3.6 ± 2.4

4.9 ± 0.1

<1X10 -4

3.4 ± 0.3

5.1 ± 0.1

<1X10 -4

3.5 ± 0.33

5.2 ± 0.33

< 1X10 -3

3.6 ± 0.5

5.6 ± 2.4

< 1X10 -3

Sex (female) (5)

28 (30%)

330 (30%)

ns

11 (29%)

148 (30%)

ns

6 (21%)

88 (26%)

ns

2 (12%)

32 (24%)

ns

Wheal mm (mean ± SE)

5.1 ± 2.6

5.9 ± 0.1

<0 . 05

5.5 ± 0.5

7.6 ± 0.2

< 1X10 -3

5.5 ± 0.54

7.8 ± 0.21

< 1X10 -3

5.7 ± 0.8

8.1 ± 0.4

< 0 . 05

Flare mm (mean ± SE)

12.1 ± 15.8

16.1 ± 0.3

< 1X10 -3

12.5 ± 0.9

19.4 ± 0.4

< 1X10 -4

12.5 ± 1.01

20.1 ± 0.46

< 1X10 -4

12.6 ± 1.4

21.1 ± 0.8

< 1X10 -3

sIgE (KUI/L) (mean ± SE)

19.9 ± 22.8

6.5 ± 0.6

< 1X10 -4

29.7 ± 10.5

10.1 ± 1.1

< 1X10 -3

17.6 ± 9.1

10.5 ± 1.3

ns

46.1 ± 5.1

12.7 ± 2.6

ns

Prior Ingestion

57 (61%)

800 (73%)

< 0 . 05

28 (72%)

361 (74%)

ns

19 (68%)

241 (73%)

ns

11 (65%)

91 (67%)

ns

Prior Reaction

50 (54%)

712 (65%)

< 0 . 05

25 (64%)

340 (69%)

ns

16 (57%)

223 (67%)

ns

11 (65%)

81 (60%)

ns

Prior Reaction not skin

42 (45%)

527 (48%)

ns

22 (56%)

269 (55%)

ns

14 (50%)

197 (60%)

ns

12 (71%)

81 (60%)

ns

Asthma History

38 (41%)

581 (53%)

< 0 . 05

21 (54%)

292 (60%)

ns

17 (61%)

204 (62%)

ns

10 (58%)

75 (55%)

ns

Eczema History

48 (52%)

523 (48%)

ns

23 (59%)

238 (49%)

ns

17 (61%)

157 (47%)

< 0 . 05

10 (58%)

70 (51%)

ns

Time of Prior Exposure ≥1 year

34 (36%)

596 (54%)

< 1`X10 -2

20 (52%)

311 (63%)

ns

16 (57%)

202 (61%)

ns

9 (53%)

86 (63%)

ns