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Acute hospital readmissions (percent)
Maryland - Allegany

Measurement Period: 2013

County

18.07%

State

National

17.97%

HP 2020

  • 14.82
  • 18.82
  • 23.06
Inpatient readmissions within 30 days of an acute hospital stay

Numerator

Number of acute hospitalizations followed by an acute hospital readmission within 30 days among Medicare fee-for-service beneficiaries

Population

Number of acute hospitalizations for Medicare fee-for-service beneficiaries

2013 - Dimensions

  • Total

    18.07%
    0
    Comparison of 25 Counties
    18.07%
      Low: 14.82             High: 23.06

Historical Data

  • Dimension2013201220112010200920082007
    Total18.07%
    18.80%
    20.44%
    19.86%
    20.54%
    21.53%
    19.80%
  • DSU - Data statistically unreliable.

Methodology

  • All Inpatient1 (IP1) claims for a year 1/1/yyyy thru 12/31/yyyy were considered as potential index claims and readmission claims. IP1 claims were acute or critical access hospitalization claims. Index claims were limited to IP1 admissions where the discharge status is not “died in hospital”. If for a beneficiary (index claim discharge date >= next claim admit date) or (index claim discharge date is within one day of the next claim admit date and discharge status is “still a patient”) then the two claims are merged into a single stay. The readmission time frame extends into the first 30 days of the following year.
  • Medicare FFS beneficiaries limited to those who (a) have no months of HMO enrollment and (b) have both Part A and Part B for whatever portion of the year that they are covered by FFS Medicare (i.e., they have no months of A-only or B-only coverage).
  • Beneficiary age group (< 65 and 65+ ) was determined using the age of the individual at the end of the reference year or the individual's age at the time of death.

References

  • HRR documentation is posted at http://www.dartmouthatlas.org/downloads/methods/geogappdx.pdf
  • See Document http://healthindicators.gov/App_Resources/Documents/HIW%20Methods%20Paper.pdf

Data Source(s)

  • Chronic Condition Data Warehouse (CCW)

    Description The Chronic Condition Data Warehouse (CCW) is a research database designed to (1) identify areas for improving the quality of care provided to chronically ill Medicare beneficiaries; (2) identify ways to reduce program spending; and (3) make current Medicare data more readily available to researchers studying chronic illness in the Medicare population. The CCW contains fee-for-service institutional and non-institutional claims, enrollment/eligibility, and assessment data from 1999 forward for a random 5% sample of Medicare beneficiaries (100% for 2005 forward). The data are linked by a unique, unidentifiable beneficiary key, which allows researchers to analyze information across the continuum of care.


  • Medicare Administrative Data

    Description CMS collects and synthesizes Medicare enrollment, spending, and claims data to monitor and evaluate access to and quality of care, trends in utilization, changes in payment policy, and other program-related issues.

    MethodologyThe claims and utilization data files contain extensive utilization information at various levels of summarization for a variety of providers and services. There are many types and levels of these files: the National Claims History (NCH) files, the Standard Analytic files (SAFs), Medicare Provider and Analysis Review (MEDPAR) files, Medicare enrollment files, and various other files.


 
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