a decreasing trendp < 0.001
From 2007 to 2017, the rate of inpatient care days ( Figure 3B ) showed a significant increase in the study area (city of Oulu) (AAPC = 0.9; 95% confidence interval = 0.6–1.2; p < 0.001) compared with a decreasing trend in Finland (AAPC = −4.6; 95% confidence interval = −5.0 to −4.3; p < 0.001).