. Author manuscript; available in PMC: 2016 Oct 1.

Published in final edited form as: JAMA Neurol. 2015 Oct;72(10):1170–1174. doi: 10.1001/jamaneurol.2015.1444

Table 1.

Patient Characteristics

Characteristic	Value^a
Age at diagnosis, mean (SD), y	59.2 (16.4)
Sex
Female	84 (37.7)
Male	139 (62.3)
Symptoms
Ptosis only	25 (11.2)
Diplopia only	76 (34.1)
Ptosis and diplopia	122 (54.7)
AChR antibody result
Positive	158 (70.9)
Negative	65 (29.1)
AChR antibody level, mean (SD), nmol/L^b	6.13 (11.03)
Progression to generalized myasthenia gravis
Yes	45 (20.2)
No	178 (79.8)

Abbreviation: AChR, acetylcholine receptor.

Data are presented as number (percentage) of patients unless otherwise indicated.

N = 87.