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Table 1 Participant clinical features

From: Change in exhaled nitric oxide during peanut challenge is related to severity of reaction

Clinical feature

Entire cohort (n = 36)

Age (years)

 Median (min, max)

10.2 (5.1, 17.1)

Gender (%)

 Males

22 (61)

Previous peanut ingestion (%)

 Total

28 (78)

Previous adrenaline usage (%)

 Total

1 (3)

Other food allergy (%)

 Total

7 (19)

Household smokers (%)

 Total

7 (19)

Allergic rhinitis (%)

 Total

26 (72)

AR severity for those with AR-max = 4a

 Median (min, max)

2 (1, 4)

Eczema ever (%)

 Total

29 (81)

Eczema active treatment (%)

 Total

8 (22)

SCORAD for those with visible eczema

 Median (min, max)

14.7 (6.0, 36.0)

Asthma ever (%)

 Total

15 (42)

Current preventer (%)

 Total

8 (22)

Current reliever (%)

 Total

10 (28)

Exercise related wheeze or dry nocturnal cough (%)b

 Total

16 (44)

No allergy in challenge (%)

 Total

15 (42)

CANA in challenge (%)

 Total

12 (33)

Anaphylaxis in challenge (%)

 Total

9 (25)

Peanut SPT (mm)

 Median (min, max)

5.8 (0, 10.0)

Peanut sIgE (kU/L)

 Median (min, max)

1.35 (0.01, 92.00)

Ara h2 sIgE (kU/L)

 Median (min, max)

0.85 (0.00, 70.30)

FeNO (NIOX VEROc) (ppb)

 Median (min, max)

23 (5, 97)

Percent predicted FEV1d

 Median (min, max)

102 (72, 124)

Percent predicted FVCd

 Median (min, max)

100 (70, 128)

Percent predicted FEV1/FVCd

 Median (min, max)

100 (82, 114)

  1. AR allergic rhinitis, SCORAD SCORing Atopic Dermatitis SPT skin prick test, sIgE specific immunoglobulin E, FeNO fraction exhaled nitric oxide, p.p.b Parts per billion. FEV1 forced expiratory volume in 1 s, FVC forced vital capacity
  2. a AR severity: 1 = intermittent mild, 2 = intermittent mod-severe, 3 = persistent mild, 4 = persistent mod-severe
  3. b Exercise related wheeze or dry nocturnal cough, not related to respiratory infection in the previous 12 months
  4. c Only 33 patients were able to have FeNO measured via NIOX VERO
  5. d Only 21 patients were able to have spirometry performed