Quality Metrics for Assessing the Impact of Editing and Imputation on Economic Data
Data Quality Metrics
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Transcript of Data Quality Metrics
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DATA QUALITY METRICSDATA QUALITY METRICS
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DATA QUALITY METRICS
DQFAS
MEPRS Program Office
PASBA
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DATA QUALITY METRICS
MEQS Database Load, EASIII
Transmission, and Workload Report
MEPRS Discrepancy (Errors)
MEPRS Currency
PRODUCTS
Unit Cost Comparison Metric
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DATA QUALITY METRICS
DEERS/CHCS Synchronization
Standard Ambulatory Data Record
(SADR) Timeliness
Standard Inpatient Data Record
(SIDR) Timeliness
Standard Ambulatory Data Record
(SADR)Provider Specialty Code
PRODUCTS - PASBA
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DATA QUALITY METRICS
Identify Groupings
Establish Data Elements
Obtain Raw Data (MEQS)
Calculate Group Mean(s)
and Standard Deviation
Identify Outliers
PROCEDURESAs Pertains to Unit Cost Comparison Metric
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FY99 UNIT COST METRIC RESPONSES
Data Quality Issues
27.43%
High Cost (Business Practice)
23.93%
High Cost (Mission Essential)20%
Low Cost (Good Business Practice)
28.7%
Categories of Response
DATA QUALITY METRICS
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DATA QUALITY METRICSMEQS Database Load, EAS III Transmission,
and Workload Report
Frequency -Mondays and workday following
transmit suspense dates.
Metric Parameters match PASBAs
MEPRS Discrepancy (Errors)
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DATA QUALITY METRICSMEQS Database Load, EAS III Transmission,
and Workload Report
Database Load -
Site Transmission Status (Initial)
Data Availability FY**
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DATA QUALITY METRICS
EAS Data Transmission
Currency Status
Daily Data Transmission
Status
Workload Reports
- Inpatient
- Ambulatory
- Ancillary
MEQS Database Load, EAS III Transmission,
and Workload Report
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DATA QUALITY METRICSPASBA MEPRS DISCREPANCY (ERRORS)
Frequency - Monthly
Identical Metric Parameters as
MEQS Database Load, EAS III
Transmission, and Workload Report
Workload = Occupied Bed Days
Ambulatory Visits
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DATA QUALITY METRICSPASBA MEPRS DISCREPANCY (ERRORS)
POCs:
MEPRS:
Gena Carey
210.637.2230
DSN 471.2230
PASBA:
Garnet Robinson210.221.1747
DSN 471.9113/1747
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
Identify Outliers
Determine the Mean (Average)
Determine the Standard Deviation
Identify Upper and Lower Limits
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
GROUP MEAN / STANDARD DEVIATION
Determine the mean
Determine the deviationSubtract the mean from each value
Deviations are then squared and added,
the result is then divided by the number
of values becoming the variance
To obtain the standard deviation,
calculate the square root of the variance
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
GROUP MEAN
Determine the mean
1.74 + 2.47 + 3.66 + 4.73 + 5.14 + 6.23 + 7.29 + 8.93 + 9.56
9
= 5.53
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
STANDARD DEVIATION - 4 STEPS
Determine the deviation
Subtract the mean from each value
1.74 - 5.53 = -3.79
2.47 - 5.53 = -3.06
3.66 - 5.53 = -1.87
4.73 - 5.53 = -0.80
5.14 - 5.53 = -0.396.23 - 5.53 = 0.70
7.29 - 5.53 = 1.76
8.93 - 5.53 = 3.40
9.56 - 5.53 = 1.03
7x = 49.75 7(x-mean) = 0
STEP 1
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
STANDARD DEVIATION
Deviations are then squared and added,
3.792
= 14.353.062 = 9.35
1.872 = 3.49
0.802 = 0.64
0.392 = 0.15
0.702 = 0.491.762 = 3.11
3.402 = 11.58
4.032 = 16.26
7(x-mean)2 = 59.41
STEP 2
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
STANDARD DEVIATION
Divide the result by the number initial values,
The variance is now
59.41
9= 6.60
Calculating the square root now provides
the standard deviation
6.60 = 2.57
STEP 3
STEP 4
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DATA QUALITY METRICSUNIT COST COMPARISON METRIC
UPPER AND LOWER LIMITS
The standard deviation is then
added/subtracted to the mean.
5.53 + 2.57 = 8.10 = Upper Limit
5.53 - 2.57 = 2.96 = Lower Limit
Any value which exceeds either the upper or
lower limit are now considered outliers.
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DATA QUALITY METRICS
Standard Deviation - Excel Procedure
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Standard Deviation - Excel Procedure
DATA QUALITY METRICS
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Standard Deviation - Excel Procedure
DATA QUALITY METRICS