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2003 National Healthcare Quality Report

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Percent of AMI patients with aspirin prescribed at discharge.

Measure Source

Centers for Medicare and Medicaid Services, Health Care Quality Improvement Program (HCQIP) Quality Indicator.


1.35a Percent of AMI patients with aspirin prescribed at discharge, United States, 2000 - 2001.

1.35b Percent of AMI patients with aspirin prescribed at discharge, by state, 2000 - 2001.

Data Source

Centers for Medicare and Medicaid Services, Medicare Quality Improvement Organization Program. Data are from a systematic random sample of up to 800 inpatient records per state.


Medicare discharges with a principal diagnosis of acute myocardial infarction (AMI, ICD-9 codes 410.00, 410.01, 410.10, 410.11, 410.20, 410.21, 410.30, 410.31, 410.40, 410.41, 410.50 410.51, 410.60, 410.61, 410.70, 410.71, 410.80, 410.81, 410.90, 410.91).


Subset of AMI denominator patients prescribed aspirin at hospital discharge.


Excludes patients transferred to another acute care hospital, patients who expired, patients discharged to hospice, and patients who had unknown discharge status.

Excludes patients with one or more of the following aspirin contraindications documented in the medical record: aspirin allergy, bleeding on admission, reaction to aspirin during admission, history of internal bleeding or bleeding/coagulation disorder, hemorrhage/bleed during hospital stay, chronic liver disease, admission platelet count less than 100 x 109/L, anemia, admission or highest serum creatinine level greater than 3 mg/dL, history of peptic ulcer disease, acute upper GI disorder during hospital stay, treatment with warfarin at discharge.

This measure is also a Joint Commission on Accreditation of Healthcare Organizations core measure.

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