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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