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Table 1 Patient characterization.

From: CCR3, CCR5, CCR8 and CXCR3 expression in memory T helper cells from allergic rhinitis patients, asymptomatically sensitized and healthy individuals

    Birch Grass
Patients Age
(range)
Sex
Male/Female
Symptoms Spt IgE class
Median(range)
HR class
Median(range)
Symptoms Spt IgE class
Median(range)
HR class
Median(range)
Healthy 25
(22–43)
3/7 0/10 0/10 0
(0)
0
(0)
0/10 0/10 0
(0)
0
(0)
AS Birch 25
(24–27)
1/4 0/5 5/5 0
(0–2)
2
(0–3)
0/5 0/5 0
(0)
0
(0)
AS Grass 25
(22–31)
1/4 0/5 0/5 0
(0)
0
(0)
0/5 5/5 0
(0–2)
0
(0–3)
Allergic Birch 27
(25–43)
4/1 5/5 5/5 3
(2–4)
3
(2–3)
2/5 2/5 0
(0–4)
2
(0–3)
Allergic Grass 26
(24–41)
3/0 1/3 1/3 0
(0–3)
0
(0–3)
3/3 3/3 4
(2–4)
3
(0–3)
  1. AS: asymptomatically sensitized. Spt: skin prick test. HR: histamine release
  2. Skin prick tests (performed in duplicate) were considered positive when mean wheal diameter >3 mm. Allergic symptoms were reported in diary cards during the relevant pollen season. Symptoms were considered as pollen allergy when lasting > 7 days or when symptoms were repeatedly elicited when pollen counts exceeded a certain (individual) level [2]. The skin prick test was performed according to the guidelines of European Academy of Allergy and Clinical Immunology [18]. n = 10 for the healthy controls, n = 10 for the asymptomatically sensitized individuals and n = 8 for the allergic individuals.