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Table 3 Characteristics of patients with myasthenic crisis in thymectomized and non-thymectomized patients*

From: Frequency of myasthenic crisis in relation to thymectomy in generalized myasthenia gravis: A 17-year experience

  Thymectomized patients (n = 20) Non-thymectomized patients (n = 42)
Age at diagnosis (years) 31.4 ± 10.6 30.5 ± 12.7
Age at first crisis (years) 33.5 ± 11.2 34.1 ± 11.3
Gender (male/female) 6/14 20/22
Triggering factors   
Pneumonia 3 (15%) 13 (30%)
Other infections 2 (10%) 4 (10%)
Aspiration 2 (10%) 3 (7%)
Stresses 1 (5%) 2 (5%)
Drug intolerance 8 (40%) 10 (24%)
No obvious cause 4 (20%) 10 (24%)
  1. * There were no statistical differences between two groups
  2. † Refers to physical and emotional stresses as well as menstruation