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

Table 4

Estimated properties of the spleen-kidney syndrome model of myasthenia gravis.

Items	MDISC	MDIFF	Factor loading
			Spleen deficiency	Kidney deficiency
Weakness of limbs	1.587	−0.641	0.682	0
Fatigue	2.841	−0.018	0.858	0
Blepharoptosis	2.177	1.612	0.788	0
Inappetence	1.263	0.870	0.596	0
Dysphagia	2.423	2.420	0.818	0
Salivation	1.141	1.097	0.557	0
Loose stool	1.093	1.581	0.54	0
Borborygmus	1.287	2.262	0.603	0
Sweating	0.999	2.142	0.506	0
Weakness of waist and knees	1.725	0.743	0	0.712
Weakness of neck	0.841	1.522	0	0.443
Dyslalia	2.463	1.989	0	0.823
Shortness of breath	2.816	1.790	0	0.856
Blurred vision	0.828	1.673	0	0.437