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

Table 1

Ethnicity and clinical features in myasthenia gravis.

	Hispanic	African American	Caucasian	Asian	Sig.
Number (%)	19 (43.2%)	16 (36.4%)	6 (13.6%)	3 (6.8%)	N/A
Mean age in years (S.D.)	42.05 (16.02)	48.31 (17.51)	49.67 (11.48)	44.67 (6.51)
Female gender	16 (84.2%)	8 (50.0%)	2 (33.3%)	3 (100%)
Hypertension	7 (36.8%)	6 (37.5%)	3 (50.0%)	0 (0.0%)
Diabetes	2 (10.5%)	2 (12.50%)	0 (0.0%)	0 (0.0%)
Tobacco	0 (0.0%)	2 (12.50%)	0 (0.0%)	0 (0.0%)
Alcohol	1 (5.3%)	3 (18.8%)	1 (16.7%)	0 (0.0%)
Illicit substance	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
Depression	1 (5.3%)	2 (12.50%)	1 (16.7%)	0 (0.0%)
Anxiety	0 (0.0%)	1 (6.3%)	1 (16.7%)	0 (0.0%)
Thymoma present	6 (31.6%)	2 (12.50%)	2 (33.3%)	0 (0.0%)
Myasthenia Gravis Foundation of America scale score
1	1 (5.3%)	0 (0.0%)	0 (0.0%)	2 (66.6%)
2a	12 (63.2%)	12 (75.0%)	4 (66.6%)	1 (33.3%)
2b	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
3a	6 (31.6%)	4 (25.0%)	2 (33.3%)	0 (0.0%)
3b	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
4	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)
5	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)