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

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%)