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Table 2 Demographic and clinical characteristics of patients with a history of reaction during general anaesthesia

From: Identification of risk factors of severe hypersensitivity reactions in general anaesthesia

  n %
No. of patients 193  
Age (y), mean (range) 37.5 (2–84)  
Sex (F/M) 122/71  
Personal history of allergic disease 84 43.52
Severity of reaction
Grade I (F/M) 100 (61/39) 51.81
Grade II (F/M) 32 (20/12) 16.58
Grade III (F/M) 55 (35/20) 28.49
Grade IV (F/M) 6 (6/0) 3.10
Concomitant diseases
Asthma 37 19.17
Other respiratory diseases 10 5.18
Hypertension 30 15.54
Thyroid diseases 13 6.73
Chronic urticaria 13 6.73
Anti-hypertensive agents
ACE-inhibitors 14 7.25
ARBs 9 4.66
Beta-blockers 13 6.73
  1. No.: number, ACE: angiotensin converting enzyme, ARBs: angiotensin II receptor blockers