1, the way of measurement: occupied bed days is an absolute value, indicating the total number of days the bed is actually used by patients. The bed utilization rate is a "relative" value, which is the ratio of the number of occupied bed days to the number of available beds.
2, the meaning of different: occupy bed days more directly reflects the actual use of beds, can provide the overall load of hospitals or medical institutions beds. The bed utilization rate is more concerned about the effective use of beds, and can measure the efficiency of bed utilization and resource utilization.