Hospital-Based Statistics Flashcards
(23 cards)
Daily Census Count
Number of inpatients present at census-taking time (Census taking time is usually MIDNIGHT)
Daily Inpatient Census
Official count of inpatients at midnight, which is calculated each day
Average Daily Census
Total service days for the unit for the period/
Total number of days in the period
Length of Stay Data
Number of calendar days that a patient was an inpatient
Average Length of Stay
Total length of stay (discharge days)/ Total discharges (includes deaths)
Bar Graph
Displays one or more variables, Bars can be vertical or horizontal, and Length of bars are proportional to thefrequency of the event
Pie Chart
Slices of the pie show the parts of a group or variable
Line Graph
Displays relationship between continuous measurements (i.e. Time trends)
Histogram
Displays data that fall into groups or categories, Displays frequency distribution and bars are not separated like in a bar graph
Pareto Chart
A bar graph with bars arranged in descending order
Scatter Chart
Shows relationship between two or more variables and shows a concentration trend
Range
Measure of spread. The difference between the smallest and largest values in a frequency distribution
Mean
Average of frequency distribution. The sum of all the values divided by the frequency
Median
Midpoint. The point at which 50% of the observations fall above and 50% fall below
Percentage of Occupancy
Total service days for a period
X 100
Total bed count days in the period
Hospital Death Rate (Gross)
Number of deaths of inpatients in period X 100
Number of discharges (including deaths)
Gross Autopsy Rate
Total inpatient autopsies for a given period X 100
Total inpatient deaths for the period
Net Autopsy Rate
Total inpatients for a given period X 100
Total inpatient deaths minus unautopsiedcoroners’ or medical examiners’ cases
Hospital Autopsy Rate (Adjusted)
Total hospital autopsies X 100
Number of deaths of hospital patients whose bodies are available for hospital autopsy
Fetal Death Rate
Total number of intermediate and/or late fetal deaths for a period X 100
Total number of live births + intermediate and late fetal deaths for the period
Neonatal Mortality Rate (Death Rate)
Total number of newborn deaths for a period X 100
Total number of newborn infant discharges (including deaths) for the period
Maternal Mortality Rate (Death Rate)
Total number of direct maternal deaths for a period X 100
Total number of obstetrical discharges (including deaths) for the period
Cesarean Section Rate
Total number of cesarean sections performed in a period X 100
Total number of deliveries in the period (including cesarean sections)
