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2003 National Healthcare Quality Report

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Complications of anesthesia.

Measure Source

Agency for Healthcare Research and Quality (AHRQ) Patient Safety Indicators.


2.7 Complications of anesthesia per 1,000 surgical discharges (excluding patients with such complications who also have substance use disorders), by patient and hospital characteristics, United States, 2000.

Data Source

Agency for Healthcare Research and Quality, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project (HCUP), Nationwide Inpatient Sample.


All surgical hospital discharges, excluding patients with active drug dependence, active nondependent abuse of drugs, and self-inflicted injury.


Subset of denominator with any secondary diagnosis indicating anesthesia complications.


Rates are adjusted by age, gender, age-gender interactions, comorbidities, and DRG clusters. DRGs are Diagnosis Related Groups which identify patients with similar illnesses.

Although not all states participate in the HCUP database, it is weighted to give national estimates using weights based on all U.S. community, non-rehabilitation hospitals in the American Hospital Association Annual Survey of Hospitals.

This table was created using a beta-test version of the AHRQ Patient Safety Indicators software dated July 2002 that differs from the AHRQ Patient Safety Indicators software currently available on the AHRQ Web site. This measure is referred to as indicator 1 in the AHRQ Patient Safety Indicators software documentation.

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