Gender and Ethnicity Based Differences in Clinical and Laboratory Features of Myasthenia Gravis

Table 2

Ethnicity and laboratory features in myasthenia gravis.

	Hispanic	African American	Caucasian	Asian	Sig.
All myasthenia gravis
Anti-AChR antibodies positive (%)
Blocking	10 (52.6%)	6 (37.5%)	2 (33.3%)	0 (0.0%)
Binding	13 (68.4%)	9 (56.3%)	3 (50.0%)	0 (0.0%)
Modulating	7 (36.8%)	5 (31.3%)	3 (50.0%)	0 (0.0%)
Anti-MUSK antibodies positive (%)	2 (10.5%)	0 (0.0%)	0 (0.0%)	3 (100%)
Generalized myasthenia gravis
Anti-AChR antibodies positive (%)
Blocking	7 (46.67%)	5 (38.5%)	2 (40.0%)	0 (0.0%)
Binding	9 (60.0%)	7 (53.9%)	3 (60.0%)	0 (0.0%)
Modulating	4 (26.7%)	4 (30.8%)	2 (40.0%)	0 (0.0%)
MUSK antibodies positive (%)	2 (13.3%)	0 (0.0%)	0 (0.0%)	3 (100%)
Ocular myasthenia gravis
Anti-AChR antibodies positive (%)
Blocking	3 (75.0%)	1 (33.3%)	1 (100%)	n/a
Binding	4 (100%)	2 (66.7%)	0 (0.0%)	n/a
Modulating	3 (75.0%)	1 (33.3%)	1 (100%)	n/a
Anti-MUSK antibodies positive (%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	n/a	n/a