Electrocardiography as the First Step for the Further Examination of Cardiac Involvement in Myasthenia Gravis

Table 2

Clinical characteristics of patients with myasthenia gravis.

	With ECG abnormality ()	Without ECG abnormality ()	value
Male, (%)	15 (48.4)	9 (50.6)	0.903
Age, mean ± SD, y	60 ± 5.2	58 ± 6.1	0.67
Time from diagnosis, mean ± SD, y	12 ± 8.0	11 ± 7.1	0.67
Thymoma, (%)	8 (24.2)	10 (40)	0.08
Comorbidities,
Diabetes mellitus	1	2
Systemic lupus	1	2
Rheumatoid arthritis	0	1
Sjogren disease	0	1
Death,	3	3	0.512
Cause of death,
Malignancy	1	2
Heart failure	1
Acute myocardial infarction	1
Aplastic anemia		1
Type of treatment, (%)
Steroid	19 (55.4)	10 (40.0)
Cholinesterase inhibitor	14 (34.5)	7 (28.0)
Immunosuppressant	12 (34.2)	11 (44.0)

ECG: electrocardiography; LV: left ventricle.