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Table 2 Allergen sensitisation: Dichotomous definitions on SPT and sIgE, SPT wheal mean diameters (WMD, mm) and sIgE level (kUA/l)

From: Quantification of atopy, lung function and airway hypersensitivity in adults

 

Dichotomous

Quantitative

Total (n)

% of Total Subjects

SPT

n

(%)

Median*

(Range)

  

Mite

256

(35.07)

4.5

(0-19.5)

730

74.26

Cat

175

(23.97)

4.5

(0-20.0)

730

74.26

Dog

112

(15.34)

4.0

(0-16.5)

730

74.26

Tree pollen mix

84

(14.43)

5.0

(0-11.0)

582

59.21

Grass pollen mix

213

(29.18)

5.0

(0-23.0)

730

74.26

Mould mix

32

(4.40)

4.0

(0-12.0)

727

73.96

Specific IgE

n

(%)

GM

(Range)

  

Mite

343

(45.86)

0.48

(0.05-160.77)

748

76.09

Cat

211

(28.21)

0.16

(0.05-146.94)

748

76.09

Dog

170

(22.73)

0.14

(0.05-100.48)

748

76.09

Grass pollen mix

336

(44.92)

2.18

(0.05-407.48)

748

76.09

  1. *Median SPT-WMD among subjects with positive SPTs only (median in whole population = 0 for all allergens due to non-sensitised subjects); GM - Geometric mean; SPT - skin prick tests.
  2. Note: for specific IgE, GM was calculated based on loge transformation.