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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.