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Table 1 Demographics and clinical characteristics of HAE attacks

From: The natural course of hereditary angioedema in a Chinese cohort

Patient demographics (N = 103)  
 Age, mean (range) (yr) 37.7 (15–68)
 Gender, N
  Male 47
  Female 56
 Have a drinking history, N 45
  Male 33
  Female 12
 Have a smoking history, N 29
  Male 25
  Female 4
Edema Characteristics  
 Age of first episode, mean (range) (yr) 17.5 (1–40)
 Annual Frequency, median (IQR)
  Skin 6 (3–14)
  Gastrointestinal tract 2 (0–5)
   Requirement for emergency treatment 1 (0–4)
  Laryngeal 0.5 (0–2)
   Requirement for emergency treatment 0.25 (0–1)
 Severity score, median (IQR) 23 (9.5–45)
 Edema resolution time, median (IQR) (h) 72 (36–72)
 Diagnostic delay, median (IQR) (yr) 11 (6–19.5)
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