Table 1.

The trend changes in the rate of ED visits associated with the implementation of IC in Norrtälje between 2000 and 2015

	Rate of ED visits per quarter per 10 000 population		Age adjusted rate of ED visits per quarter per 10 000 population		Level change (immediately following the intervention)		Trend change (after the intervention)
	Before	After	Before	After	IRR (95% CI)	P value	IRR (95% CI)	P value
All inhabitants	1503.5	1562.7	1478.84	1584.17	0.996 (0.971 to 1.022)	0.793	0.997 (0.995 to 0.998)	0.000
Males	1627.0	1620.4	1674.5	1728.0	0.959 (0.937 to 0.983)	0.001	0.997 (0.995 to 0.998)	0.000
Females	1499.5	1510.6	1336.6	1493.6	1.036 (1.009 to 1.064)	0.008	0.995 (0.994 to 0.998)	0.000
65–79 years	1218.1	1287.5	822.7	891.5	1.037 (1.003 to 1.073)	0.034	0.995 (0.993 to 0.997)	0.000
80+ years	2145.8	2298.3	660.05	700.57	0.946 (0.911 to 0.983)	0.005	0.998 (0.996 to 1.00)	0.323
Lowest income	1582.2	1593.0	1449.6	1553.1	0.941 (0.917 to 0.965)	0.000	0.996 (0.994 to 0.997)	0.000
Living alone	1650.3	1764.4	1538.2	1676.6	0.987 (0.963 to 1.011)	0.301	0.996 (0.995 to 0.998)	0.000
Born outside of Sweden	1452.4	1683.0	1591.5	1748.0	0.872 (0.852 to 0.894)	0.000	0.991 (0.989 to 0.992)	0.000

The step change the level change immediately after the implementation of IC.

The trend change in the rate of ED visits in the postintervention period.

ED, emergency department; IC, integrated care; IRR, incidence rate ratio.