Table 1.

Secular Trends in Psychiatric Admissions and Bed Days Based on 26230 Schizophrenia Patients

Year	Admissions		Bed Days		Days Between Last Discharge and New Admission
	Mean	95% CI	Mean	95% CI	Meana	95% CI
1995	1.77	1.74–1.81	105.2	104.9–105.5	402.8	402.2–403.4
1996	1.87	1.84–1.91	103.1	102.8–103.3	390.3	389.7–390.9
1997	1.83	1.79–1.86	105.1	104.9–105.4	393.9	393.3–394.5
1998	1.88	1.85–1.91	102.2	101.9–102.4	408.3	407.7–408.9
1999	1.93	1.89–1.96	100.9	100.6–101.1	380.4	379.8–381.0
2000	1.87	1.84–1.91	97.0	96.7–97.2	411.7	411.1–412.3
2001	1.96	1.92–1.99	91.4	91.1–91.6	392.4	391.9–393.0
2002	1.97	1.93–2.00	91.0	90.8–91.2	414.3	413.8–414.9
2003	1.93	1.90–1.97	86.8	86.6–87.1	427.9	427.4–428.5
2004	1.94	1.91–1.98	84.9	84.7–85.1	431.0	430.4–431.5
2005	1.96	1.92–1.99	81.1	80.9–81.3	459.2	458.6–459.8
2006	2.01	1.97–2.04	79.4	79.2–79.6	452.8	452.2–453.4
2007	2.08	2.05–2.12	77.8	77.6–78.0	461.8	461.2–462.4
2008	2.19	2.15–2.23	74.5	74.3–74.7	433.0	432.5–433.6
2009	2.27	2.23–2.31	70.8	70.6–71.0	443.9	443.3–444.4
Slopeb	0.01	P < .001	−0.03	P < .001	0.01	P < .001

Note: ^aWith values truncated at 5 years (1826 days).

^bEstimated from negative binomial regression analyses using calendar year as explanatory variable.