Development of a Computerized Adaptive Test for Quantifying Chinese Medicine Syndrome of Myasthenia Gravis on Basis of Multidimensional Item Response Theory

Table 2

Demographics and characteristics of the 337 myasthenia gravis patients.

Variables	Total (n = 337)	Proportion (%)
Age
Youth (14–44)	197	58.46
Mid-age (45–59)	100	29.67
Elder (60–75)	40	11.87
Gender
Female	185	54.89
Male	152	45.11
Syndrome
Spleen and kidney deficiency	68	20.18
Spleen deficiency	269	79.82