Hospital-Based Statistics

Question 1

Daily Census Count

Answer 1

Number of inpatients present at census-taking time (Census taking time is usually MIDNIGHT)

Question 2

Daily Inpatient Census

Answer 2

Official count of inpatients at midnight, which is calculated each day

Question 3

Average Daily Census

Answer 3

Total service days for the unit for the period/

Total number of days in the period

Question 4

Length of Stay Data

Answer 4

Number of calendar days that a patient was an inpatient

Question 5

Average Length of Stay

Answer 5

Total length of stay (discharge days)/
Total discharges (includes deaths)

Question 6

Bar Graph

Answer 6

Displays one or more variables, Bars can be vertical or horizontal, and Length of bars are proportional to thefrequency of the event

Question 7

Pie Chart

Answer 7

Slices of the pie show the parts of a group or variable

Question 8

Line Graph

Answer 8

Displays relationship between continuous measurements (i.e. Time trends)

Question 9

Histogram

Answer 9

Displays data that fall into groups or categories, Displays frequency distribution and bars are not separated like in a bar graph

Question 10

Pareto Chart

Answer 10

A bar graph with bars arranged in descending order

Question 11

Scatter Chart

Answer 11

Shows relationship between two or more variables and shows a concentration trend

Question 12

Range

Answer 12

Measure of spread. The difference between the smallest and largest values in a frequency distribution

Question 13

Mean

Answer 13

Average of frequency distribution. The sum of all the values divided by the frequency

Question 14

Median

Answer 14

Midpoint. The point at which 50% of the observations fall above and 50% fall below

Question 15

Percentage of Occupancy

Answer 15

Total service days for a period
X 100
Total bed count days in the period

Question 16

Hospital Death Rate (Gross)

Answer 16

Number of deaths of inpatients in period X 100

Number of discharges (including deaths)

Question 17

Gross Autopsy Rate

Answer 17

Total inpatient autopsies for a given period X 100

Total inpatient deaths for the period

Question 18

Net Autopsy Rate

Answer 18

Total inpatients for a given period X 100

Total inpatient deaths minus unautopsiedcoroners’ or medical examiners’ cases

Question 19

Hospital Autopsy Rate (Adjusted)

Answer 19

Total hospital autopsies X 100

Number of deaths of hospital patients whose bodies are available for hospital autopsy

Question 20

Fetal Death Rate

Answer 20

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

Question 21

Neonatal Mortality Rate (Death Rate)

Answer 21

Total number of newborn deaths for a period X 100

Total number of newborn infant discharges (including deaths) for the period

Question 22

Maternal Mortality Rate (Death Rate)

Answer 22

Total number of direct maternal deaths for a period X 100

Total number of obstetrical discharges (including deaths) for the period

Question 23

Cesarean Section Rate

Answer 23

Total number of cesarean sections performed in a period X 100
Total number of deliveries in the period (including cesarean sections)