Abstract

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Abstract

A brief summary at the beginning of an article, paper, or presentation. Abstracts are commonly associated with academia; for example, an economics professor may attach an abstract to a publication. However, it may also be used with a business presentation.
References in periodicals archive ?
Figure 7 Mean Inpatient Days, by Age for Disabled Dually and Non-Dually Eligible Medicare Beneficiaries: California, 2001 Dually Eligible Non-Dually Eligible Beneficiaries Beneficiaries 18-44 1,344 846 45-54 2,086 1,190 55-63 2,686 1,392 SOURCES: Centers for Medicare & Medicaid Services: Data from the Denominator File and Enrollment Database, 2001 and the California Office of Statewide Health Planning and Development Patient Discharge Abstract, 2001.
The PPC System has the limitations inherent in any system that uses discharge abstract codes, since the accuracy and completeness of coding can vary across hospitals, and may vary from one diagnosis to another within a hospital (Iezzoni, 1997).
Full-text articles were included if both reviewers agreed that the article met all eligibility criteria: validated AMI ICD-9 or ICD-10 codes (including any country-specific modification in these coding frameworks); specified the ICD codes used in hospital discharge abstract data; and reported sensitivity, specificity, positive predictive value (PPV), or negative predictive value (NPV) or provided the data required to calculate these values.
For California we obtained the raw discharge abstract and birth certificate files and excluded records indicating out-of-State residency, multiple gestation, birthweight under 500 grams, delivery at home or in a hospital with less than 10 deliveries annually, unknown payer, mother's age under 14 years or over 42 years or fetal death (ICD-9-CM code 656.
Three databases were thus created for the same hospital discharges: (1) ICD-10 discharge abstract data, (2) ICD-9-CM discharge abstract data, and (3) chart review data.
6) Our findings and those of Brunskill (1990) suggest that hospitals have not consistently or completely entered birth weight information on discharge abstracts.
One year of case-level patient data from discharge abstracts was collected from each hospital.
c) Modified Charlson comorbidity indices developed by mapping Clinical Classifications Software (CCS) diagnosis and procedure groups available on each HCUP discharge abstract into Charlson index groups.
Researchers wishing to conduct analysis on large samples of hospitals have turned to less expensive and more readily available administrative data, primarily patient discharge abstracts, to construct measures of hospital quality (Agency for Healthcare Research and Quality 2000; Ball et al.
The data are from hospital-submitted discharge abstracts, avoiding the inconsistent reporting of claims by HMOs.
The MEDPRO data files include data elements found in the hospital discharge abstract, date of death (as determined from HCFA social security files), and a unique patient identifier: the HCFA identification number (HICN).
We obtained outcome information from either the discharge abstract or a linked death certificate.