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2004 National Healthcare Quality Report

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Table: T2.2: Deaths per 1000 admissions in low mortality DRGs (with a NIS 1997 benchmark of less than 0.5% mortality)a, trends 1994-2001 and by patient and hospital characteristics, 2001, United States

  Adjusted rateb
Trends Estimate Standard error
     
    Total United States, 2001 0.628 0.021
    Total United States, 2000 0.633 0.020
    Total United States, 1997 0.603 0.021
    Total United States, 1994c 0.834 0.023
     
2001 adjusted rateb
Population group Estimate Standard error
     
Patient characteristic    
Age groups for conditions affecting any age    
    0-17 0.888 0.026
    18-44 0.677 0.016
    45-64 1.056 0.041
    65 and over 3.377 0.049
     
Age groups for conditions affecting primarily elderly    
    65-69 1.685 0.075
    70-74 2.261 0.076
    75-79 3.052 0.080
    80-84 4.161 0.091
    85 and over 6.851 0.097
     
Gender    
    Male 0.662 0.057
    Female 0.460 0.029
     
Median income of patient ZIP Code    
    Less than $25,000 0.675 0.073
    $25,000-$34,999 0.624 0.041
    $35,000-$44,999 0.670 0.037
    $45,000 or more 0.599 0.028
     
Location of patient residence    
    Metropolitan 0.626 0.022
    Micropolitan 0.639 0.062
    Noncore 0.638 0.082
     
Expected payment source    
    Private insurance 0.498 0.021
    Medicare 1.112 0.097
    Medicaid 0.611 0.026
    Other insurance 0.571 0.088
    Uninsured / self pay / no charge 0.710 0.072
     
Hospital characteristic    
Location of inpatient treatment    
    Northeast 0.633 0.046
    Midwest 0.521 0.042
    South 0.678 0.031
    West 0.653 0.035
     
Ownership/control    
    Private, not-for-profit 0.631 0.023
    Private, for-profit 0.628 0.048
    Public 0.614 0.052
     
Teaching status    
    Teaching 0.666 0.032
    Non-teaching 0.608 0.025
     
Location of hospital    
    Metropolitan 0.629 0.021
    Micropolitan 0.602 0.065
    Noncore 0.677 0.103
     
Bedsize    
    Less than 100 0.556 0.056
    100 - 299 0.618 0.031
    300 - 499 0.625 0.033
    500+ 0.709 0.043
     

aDenominator excludes trauma, immunocompromised, and cancer patients.

b Rates are adjusted by age, gender, age-gender interactions, comorbidities, and DRG clusters. When reporting is by age, the adjustment is by gender, comorbidities, and DRG clusters; when reporting is by gender, the adjustment is by age, comorbidities, and DRG clusters.

cFor 1994, rate biased in unknown direction because procedure codes 52.85-52.86 used to exclude discharges from the numerator and denominator became effective after 1994 and before 1997. The effect should be small because these codes for transplantations are unlikely to be in low-mortality DRGs.

Source: Agency for Healthcare Research and Quality, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample.

 

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