A =Available Beds (Av. For year)

O = Occupied Beds (Av. for year)

D = Discharges and Deaths (No. per Year)

Occupancy (%) = No. of bed days occupied in a 12 month period (%)                                                      No. of bed days available in that period

= O/A x 100

Turnover Interval = Average No. of days a bed is unoccupied between admissions ToI = (A-O) x 365
                                                          D

Throughput = Average number of deaths and discharges per available bed

Throughput = D/A

Av.Bed Emptiness

% Emptiness = (A-0) x 100
                                 A