Documentation
File Name
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CMS/ResDAC Description
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CMS Codebook
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ResDAC
Variable List
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Denominator |
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Vital Status |
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Group Health Plan |
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MedPAR |
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Inpatient SAF |
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Skilled Nursing Facility SAF |
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Home Health Agency SAF |
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Hospice SAF |
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Outpatient SAF |
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Carrier SAF |
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Durable Medical Equipment SAF |
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Provider of Services |
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Unique Physician Identification Number |
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Years Available and SAS® Proc
Contents
Denominator - VHA
Cohort |
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Denominator - All Medicare Beneficiaries |
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Vital Status |
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Group Health Plan |
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MedPAR |
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Inpatient SAF |
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Skilled Nursing Facility SAF |
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Outpatient SAF |
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Hospice SAF |
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Home Health Agency SAF |
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Carrier SAF |
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Durable Medical Equipment SAF |
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Provider of Services |
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Unique Physician Identification Number |
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Summary Data
VIReC provides researchers
with summary variable information for selected Medicare
datasets.
- The Min-Max table includes all variables in a dataset. For
each variable, the percent of missing values, the minimum
value, and the maximum value are provided.
- The Frequencies table includes most discrete variables
and dates. Proc Freq in SAS was used to provide
counts and percentages.
Links to variable descriptions can be found at the top
of this page. Results are shown in Excel files
to allow comparisons across years.
Vital Status -
In this file, there is one record for each person from
the VHA finder file who has EVER been enrolled in Medicare.
Denominator file -
In this file, there is one record for each person who
was enrolled in Medicare in a given year. Some
variables, such as the Entitlement/Buy-in Indicators
and HMO Indicators are found in the file 12 times, once
for each month. For example, HMOIND01 is January,
HMOIND02 is February, etc.
- VHA Cohort (only includes veterans enrolled in Medicare)
- All Medicare Beneficiaries (includes veterans and
non-veterans)
MedPAR
- In this file, there is one record for each
stay in an inpatient or skilled nursing facility. One
individual may have multiple records. Among people
who had at least one stay, the mean number of stays
per person per year is approximately 2.
- VHA Cohort (only includes veterans enrolled in Medicare)
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