Table 1.

Demographic and clinical characteristics of the study population.

	All patients (n = 24,101)		KSPHa patients (n = 13,476)		TYPCb patients (n = 10,625)		Pc
	n	%	n	%	n	%
Sex							< 0.001
Male	11,361	47.1	5811	43.1	5550	52.2
Female	12,740	52.9	7665	56.9	5075	47.8
Discharged on clozapine							< 0.001
Yes	4248	17.6	2249	16.7	1999	18.8
No	19,853	82.4	11,227	83.3	8626	81.2

	Mean	SD	Mean	SD	Mean	SD	Pd
Age (years)	41.4	12.2	43.2	11.8	39.2	12.2	< 0.001
Length of hospital stay (days)	179.3	446.2	173.5	386.5	186.6	512.0	0.024
Clozapine daily dose (mg)	268.4	138.2	234.1	120.8	307.0	146.2	< 0.001

Bold, statistically significant.

^aKSPH = Kai-Syuan Psychiatric Hospital.

^bTYPC = Taoyuan Psychiatric Center.

^cPearson’s χ² test.

^dIndependent t test.