Defects of CTLA-4 Are Associated with Regulatory T Cells in Myasthenia Gravis Implicated by Intravenous Immunoglobulin Therapy

Table 1

The clinical characteristics of MG patients.

MGFA class	Number	Age ()	Male/female	IVIg therapy
I	9		4/5	0
II	16		3/13	6
III	9		5/4	9
IV	5		1/4	5
Total	39		13/26	20