However, there was a significant trend change in the rate of ED visits (IRR: 0.997, 95% CI 0.995 to 0.998) in the postintervention period compared with the preintervention period.
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Impact of integrated care on trends in the rate of emergency department visits among older persons in Stockholm County: an interrupted time series analysis.
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The sentences
There was an increasing trend in the rate of ED visits in the preintervention period.