Delay in psychiatric hospitalization from the diagnosis of first-episode schizophrenia and its association with clinical outcomes and direct medical costs: a nationwide, health insurance data-based study

Table 4 Associations with direct medical costs in the 2-year period following the first psychiatric hospitalization^a

	Psychiatric disorders				All medical disorders
	Total		Inpatient care		Total		Inpatient care
Variable	Exp(coef) (95% CI)	t (p value)	Exp(coef) (95% CI)	t (p value)	Exp(coef) (95% CI)	t (p value)	Exp(coef) (95% CI)	t (p value)
Intercept (KRW)	7,329,338 (6,407,938–8,389,772)	231.138 (< 0.001)	6,882,090 (5,793,589–8,186,606)	180.307 (< 0.001)	7,136,430 (6,252,659–8,151,407)	233.055 (< 0.001)	6,534,485 (5,506,106–7,765,616)	180.152 (< 0.001)
MPR^b	0.956 (0.897–1.018)	-1.387 (0.166)	0.959 (0.886–1.038)	-1.030 (0.303)	1.005 (0.944–1.070)	0.146 (0.884)	0.971 (0.897–1.051)	-0.726 (0.468)
Duration from diagnosis to first psychiatric admission (weeks)	1.005 (1.003–1.007)	5.226 (< 0.001)	1.005 (1.002–1.007)	4.180 (< 0.001)	1.005 (1.003–1.006)	5.038 (< 0.001)	1.004 (1.002–1.007)	3.804 (< 0.001)

KRW Korean won, MPR medication possession ratio
^a Generalized linear model with a gamma distribution and log link was used with covariates of age at diagnosis, sex, type of hospital making the diagnosis, and calendar year of the diagnosis
^b Calculated using the antipsychotic prescriptions during the period from the diagnosis to the first psychiatric hospitalization

ISSN: 1471-244X