Inadequate access to outpatient primary and specialty care can lead to unnecessary hospitalizations. This measure describes the proportion of hospitalizations that are due to ambulatory care sensitive conditions; conditions that can be well managed in ambulatory settings. These conditions include hypertension, angina, heart failure, diabetes, and asthma.
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Rate of Hospitalization for Ambulatory Care-Sensitive Conditions per 100,000 people as Defined by the Prevention Quality Indicator Composite for Adults (18+)
The rate is equal to the discharge-based numerator divided by the population denominator, multiplied by 100,000. Rates are adjusted by age and gender using the total U.S. resident population for 2010 as the standard population.
Numerator - Inpatient discharges age 18 and over included in one of eleven AHRQ Prevention Quality Indicators (PQI) version 4.4: angina, asthma, bacterial pneumonia, congestive heart failure, dehydration, diabetes (without complications, with short-term complications, with long-term complications, and with lower extremity amputations), hypertension, and urinary tract infection.
Denominator - U.S. resident population age 18 and over.
For consistency of longitudinal reporting, the numerator definition does not include the PQI for chronic obstructive pulmonary disease (COPD) that is included in the AHRQ PQI composite for adults because the COPD measure is affected by ICD-9-CM coding changes in 2004.
Missing data year(s) in measure breakouts: Not all breakouts are available in all years. Some breakouts may be shown for only some years.
Exclusion Criteria: Inpatient discharges that are transferred in from another hospital are excluded. Inpatient discharges from non-community and rehabilitation hospitals are also excluded.