Abdominal Aortic Aneurysm (AAA) Repair Mortality Rate
Identifying Attributes
Care Settings
Country
Publishing Organisation
Type of Quality Indicator
IOM Quality Dimension
Domain
Defining Attributes
Definition
In-hospital deaths per 1,000 discharges with abdominal aortic aneurysm (AAA) repair, ages 18 years and older. Includes metrics for discharges grouped based on AAA rupture status and repair type. Excludes transfers to another hospital, and obstetric discharges.
Numerator
Number of deaths (DISP=20) among discharges meeting the inclusion and exclusion rules for the denominator.
Denominator
Discharges, for patients ages 18 years and older, with any of the following: • any listed ICD-10-CM diagnosis code for ruptured AAA (PRAAARD* ) and any listed ICD-10-PCS procedure code for open AAA repair (PRAAARP* ); or • any listed ICD-10-CM diagnosis code for ruptured AAA (PRAAARD* ) and any listed ICD-10-PCS procedure codes for endovascular AAA repair (PRAAA2P* ); or • any listed ICD-10-CM diagnosis code for unruptured AAA (PRAAA2D* ) and any listed ICD-10-PCS procedure codes for open AAA repair (PRAAARP* ); or • any listed ICD-10-CM diagnosis code for unruptured AAA (PRAAA2D* ) and any listed ICD-10-PCS procedure codes for endovascular AAA repair (PRAAA2P* )
Exclusions
Exclude discharges: • transferring to another short-term hospital (DISP=2) • with a principal ICD-10-CM diagnosis code assigned to MDC 14 Pregnancy, Childbirth & the Puerperium (Appendix B: MDC14PRINDX) • with a principal ICD-10-CM diagnosis code assigned to MDC 15 Newborns & Other Neonates with Conditions Originating in Perinatal Period (Appendix B: MDC15PRINDX) • with an ungroupable DRG (DRG=999) • with missing discharge disposition (DISP=missing), gender (SEX=missing), age (AGE=missing), quarter (DQTR=missing), year (YEAR=missing) or principal diagnosis (DX1=missing) • with missing MDC (MDC=missing) when user indicates that MDC is provided
Use of Risk Adjustment
Risk Adjustments
By sex, age, severity of illness and comorbidities.
Stratifications
The indicator is stratified into four groups by 1) type of AAA repair (open vs. endovascular) and 2) AAA rupture status.
Data Attributes
Type of Data Collection
Data Collection Methods
Uses patient data found in a typical hospital discharge abstract or data set
Frequency of Data Collection
Frequency of Data Collection in Days
Reporting Methods
Nationwide comparative rates reported by AHRQ and some individual/hospital rates reported on state health websites.