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Table 1 Characteristics of the patients

From: Chemokines during anaphylaxis: the importance of CCL2 and CCL2-dependent chemotactic activity for basophils

 

Patients with an acute episode of anaphylaxis (n = 49)

Sex, n (%)

24 female (49.0)

25 male (51.0)

Age years, average (range)

50 (19–82)

Trigger, n (%)

 Hymenoptera venom

26 (53.1)

 Medication

14 (28.6)

 Food

5 (10.2)

 Other

4 (8.2)

Time from the onset of anaphylactic symptoms to sample collection at presentation to the emergency department, median (IQR) in minutes

100 (69)

Convalescent sampling after anaphylactic episode, median (IQR) in days

80 (93)

Emergency treatment, n (%)

 Epinephrine

25 (51.0)

 Corticosteroids

43 (87.8)

Grade of reaction, n (%)

 Mueller I

6 (12.2)

 Mueller II

6 (14.6)

 Mueller III

16 (32.7)

 Mueller IV

21 (42.9)

Symptoms, n (%)

 Any skin feature

44 (89.8)

 Any gastrointestinal feature

15 (30.6)

 Any respiratory feature

26 (53.1)

 Hypoxemia (SpO2 ≤ 92%)

7 (14.3)

 Any cardiovascular feature

24 (49.0)

 Hypotension (SBP < 90 mmHg)

19 (38.8)

 Acute tryptase > 11.4 µg/l, n (%)

32 (65.3)

  1. SBP systolic blood pressure