Description
There are many data collection processes in healthcare, with many different types of statistics. Utilizing the Hospital Statistics Basics Formulas resource, select 3 different rates, i.e., average daily census and respond to the following:Compare and contrast the different rates and explain why a hospital or healthcare facility needs to collect this data.How are statistical process controls such as Pareto chart are used to improve performance?
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Hospital Statistics Basic Formulae
Formulas for commonly computed healthcare rates and percentages used on the RHIT and RHIA examination
Calculating Rates
The basic formula for calculating rates is the number of times something actually happened/the number of times it
could have happened.
Measures of Central Tendency
Mean:
( ) =
ℎ
ℎ
Median:
The midpoint (center) of the distribution of values, or the point above and below which 50 percent of the values fall.
The median is a data point on the number line.
Mode:
The value that occurs most frequently in the data. The mode appears as a data point on the number line.
Variance:
2 =
Σ(X − ̅ )2
−1
Standard Deviation:
∑( X − x̄ )
= √
(N − 1)
Calculating Census
Average Daily Census:
ℎ ℎ
ℎ
Average Daily Newborn Census:
ℎ
Average Daily Census for a Patient Care Unit:
ℎ ℎ
ℎ
Occupancy Rates
Bed Occupancy Ratio:
× 100
ℎ ( × ℎ )
Newborn Bassinet Occupancy Ratio:
× 100
× ℎ
Bed Turnover Rate:
Direct:
ℎ ( ℎ )
ℎ
Indirect:
×
ℎ
Length of Stay
Average Length of Stay:
ℎ ( ℎ )
ℎ ( ℎ )
Average Newborn Length of Stay:
ℎ
ℎ ( ℎ )
Death Rates
Gross (Hospital) Death Rate:
ℎ ( )
× 100
ℎ ( & ℎ ) ℎ
Net Death Rate/Institutional Death Rate:
ℎ ( ) ℎ < 48 ℎ
× 100
ℎ ( ℎ ) ℎ < 48 ℎ ℎ
Postoperative Death Rate:
ℎ ( ℎ 10 )
× 100
ℎ ℎ
Anesthesia Death Rate:
ℎ ℎ
× 100
ℎ
Maternal Death Rate:
ℎ
× 100
ℎ ( ℎ ) ℎ
Newborn Mortality Rate:
ℎ
× 100
ℎ ( ℎ ) ℎ
Vital Statistics—Newborn
Neonatal Mortality Rate:
ℎ
× 1,000
ℎ ℎ
Infant Mortality Rate:
ℎ ( )
× 1,000
ℎ ℎ
Fetal Death Rate:
⁄ ℎ
× 100
ℎ + ℎ ℎ
Cancer Mortality Rate:
ℎ
× 100
Autopsy Rates
Gross Autopsy Rate:
ℎ
× 100
ℎ ℎ
Net Autopsy Rate:
ℎ
× 100
ℎ − ′ ′
Adjusted Hospital Autopsy Rate:
ℎ
× 100
ℎ ℎ ℎ
Newborn Autopsy Rate:
× 100
ℎ ℎ
Fetal Autopsy Rate:
ℎ
× 100
ℎ ℎ
Morbidity and Miscellaneous
Infection Rate:
× 100
ℎ ( ℎ ) ℎ
Postoperative Infection Rate:
× 100
ℎ
Cesarean Section Rate:
−
× 100
ℎ ( − )
Consultation Rate:
× 100
ℎ
HIM Department Statistics
Completed Work:
= −
Labor Productivity:
=
Case-Mix Index:
ℎ ℎ − ℎ
ℎ
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