Table 4. Quality of pre-dialysis renal care in the dialysis cohort.

CCI: Charlson Comorbidity Index, EPO: erythropoietin, OR: odds ratio.

Care indicator	Comparison subgroup (n = 933)			Dialysis-schizophrenia subgroup (n = 311)
	%	OR	95%CI	%	OR	95%CI
Nephrologist visits a , e	77.6	1.0	-	65.9	0.58	(0.42–0.79) **
EPO treatment b , e	46.1	1.0	-	36.3	0.70	(0.53–0.93) *
Permanent vascular access created in advance c , e	25.4	1.0	-	20.8	0.78	(0.55–1.11)
First dialysis as outpatient d , e	18.7	1.0	-	14.5	0.74	(0.50–1.09)
Hospitalization in the first year after dialysis f	46.4	1.0	-	53.4	1.36	(1.04–1.78) *

^a at least one visit six months prior to initiating regular dialysis

^b at least one record of receiving EPO treatment six months prior to initiating regular dialysis

^c for hemodialysis patients only

^d for patients continuously receiving dialysis for three months immediately after the index date

^e Conditional logistic regression model, adjusted for age, gender, area, income, CCI score, comorbid DM and HT

^f Conditional logistic regression model, adjusted for age, gender, area, income, CCI score, DM, HT, and hospitalization in one year before dialysis

*P < 0.05.

**P < 0.01.