# Calculating and Reporting Healthcare Statistics

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Health Statistics Defininations and Formulas ch 3-6

### (Census Statistics) Inpatient Service Day

Service received by one inpatient in one 24- hour period

### Total Inpatient

Sum of all inpatient service days for each of the days in the period

### Daily Inpatient Census

Total number of patients treated during a 24-hour period

### Service Days- Formula: Average Daily Census

Total inpatient service days for a period(excluding newborns, divided by, Total number of days in the period

### (Length of Stay) Length of Stay (LOS)

Number of calender days from admission to discharge

### Total Length of Stay

Sum of the days stay of any group of inpatientes discharged during a specific period

### Formula: Average LOS

Total length of stay (discharge days), divided by,
Total number of discharges

### (Bed Count) Inpatient Bed Count

Number of available hospital beds, both occupied and vacant, on any given day

### Inpatient Bed Count

Counts the presence of one inpatient bed (occupied or vacant) that is set up and staffed for use in one 24-hour period

### Total Inpatient Bed Count Day

Sum of inpatient bed count days for each of the days in a period

### Percentage of Occupancy Formula:

Total number of inpatient service day for a period x 100,/ divided by, Total inpatient bed count days x number of days in the period

### (Bed Turnover Rate) Direct Formula:

Total number of discharges for a period,/ divided by, Average bed count for the same period

### Indirect Formula:

Percentage of occupancy x Days in the period x100, divided by, Average length of stay

NOTE: The indirect formula must be used in cases where then bed count chages during the period in question

### Death (Mortality) Rate Anestheisa Death Rates

Total number of deaths caused by an anesthetic agent x 100, /divided by, Total number of anesthetics administered

### Stillbirth Rate Fetal Death Rate

Total number of intermediate and late fetal death x 100, /divided by, Total number of births (plus intermediate and late fetal deaths)

### Gross Hospital Death Rate

Total number of inpatient death (including newborns) x 100, divided by, Total number of discharges(including deaths and newborns)

### Net Hospital Death Rate

Number of inpatient death(including NB) munus deaths < 48 hours of admission x 100, divided by, Total discharges (including deaths and NB. minus deaths < 48 hours)

Example: