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Table 2.11a: Selected infections due to medical care per 1000 dischargesa, trends 1994-2001 and by patient and hospital characteristics, 2001, United States

  Adjusted rateb
Trends Estimate Standard error
     
    Total United States, 2001 1.877 0.032
    Total United States, 2000 2.017 0.029
    Total United States, 1997 1.593 0.039
     
2001 adjusted rateb
Population group Estimate Standard error
     
Patient characteristic    
Age groups for conditions affecting any age    
    0-17 2.171 0.085
    18-44 1.808 0.061
    45-64 2.346 0.101
    65 and over 1.757 0.097
     
Age groups for conditions affecting primarily elderly    
    65-69 2.413 0.126
    70-74 2.175 0.121
    75-79 2.031 0.118
    80-84 1.563 0.121
    85 and over 0.719 0.120
     
Gender    
    Male 1.754 0.059
    Female 1.878 0.041
     
Median income of patient ZIP Code    
    Less than $25,000 1.828 0.080
    $25,000-$34,999 1.780 0.047
    $35,000-$44,999 1.879 0.046
    $45,000 or more 1.939 0.039
     
Location of patient residence    
    Metropolitan 1.995 0.034
    Micropolitan 1.427 0.064
    Noncore 1.277 0.073
     
Expected payment source    
    Private insurance 1.542 0.041
    Medicare 2.233 0.051
    Medicaid 2.081 0.051
    Other insurance 1.491 0.113
    Uninsured / self pay / no charge 1.156 0.093
     
Hospital characteristic    
Location of inpatient treatment    
    Northeast 1.972 0.053
    Midwest 1.573 0.049
    South 1.883 0.040
    West 2.155 0.050
     
Ownership/control    
    Private, not-for-profit 1.898 0.035
    Private, for-profit 1.896 0.056
    Public 1.734 0.059
     
Teaching status    
    Teaching 2.286 0.046
    Non-teaching 1.675 0.034
     
Location of hospital    
    Metropolitan 1.992 0.034
    Micropolitan 1.254 0.063
    Noncore 1.110 0.084
     
Bedsize    
    Less than 100 1.041 0.053
    100 - 299 1.867 0.039
    300 - 499 2.066 0.046
    500+ 2.201 0.059
     

a Denominator excludes immunocompromised, cancer patients and neonates. Also excludes admissions specifically for such infections, such as cases from earlier admissions, from other hospitals, or from other settings.

bRates 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.

c For 1994, rate biased in unknown direction because procedure codes used to exclude discharges (52.85, 52.86) from the numerator and denominator became effective after 1994 and before 1997.

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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