Unplanned 3-day re-attendance rate at Emergency Department (ED) and hospital's bed occupancy rate (BOR).

There was a slightly decreasing trend for hospital A (Spearman’s rho = −0.11, p < 0.001) and hospital B (Spearman’s rho = −0.10, p < 0.001), while a slightly increasing trend for hospital C (Spearman’s rho = 0.16, p < 0.001) (Fig. 1 ).

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