Other analysis
SE
The risk of 30-day readmission two years before the intervention was 20.06% in the intervention group (Hedensted, Odder and Skanderborg) and 24.92% in the control group (Horsens). The risk after the intervention was 20.81% in the intervention group and 20.17% in the control group. Hence, the risk difference was + 0.75% (SE: 2.26%; 