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2005 National Healthcare Quality Report

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Table 2.26
Percent surgical discharges with postoperative venous thromboembolic events, United States, 2002 and 2003a
    2003b 2002b
Population group Exposed Adverse events Percent Standard error Exposed Adverse events Percent Standard error
Total   5,468 35 0.78 0.17 9,769 61 0.80 0.14
Age Under 65 DSU DSU DSU DSU DSU DSU DSU DSU
65-74 DSU DSU DSU DSU DSU DSU DSU DSU
75-84 DSU DSU DSU DSU 3,493 24 0.73 0.21
85 and over DSU DSU DSU DSU DSU DSU DSU DSU
Gender Female 3,063 17 0.78 0.22 5,440 28 0.56 0.15
Male DSU DSU DSU DSU 4,329 33 1.09 0.26
Race Black DSU DSU DSU DSU DSU DSU DSU DSU
Other DSU DSU DSU DSU 460 3 DSU DSU
White 4,807 26 0.66 0.17 8,652 49 0.63 0.13
Diabetes No 4,048 27 0.85 0.21 7,327 41 0.73 0.16
Yes DSU DSU DSU DSU 2,442 20 0.97 0.29
CHF/pulmonary edema No 4,523 29 0.65 0.15 8,144 42 0.74 0.16
Yes DSU DSU DSU DSU 1,625 19 1.08 0.31
COPD No 4,221 27 0.78 0.19 7,558 43 0.66 0.14
Yes DSU DSU DSU DSU DSU DSU DSU DSU
Cancer No 3,930 24 0.73 0.19 7,032 44 0.81 0.17
Yes DSU DSU DSU DSU DSU DSU DSU DSU

a Data include Medicare beneficiaries discharged from January 2003 to December 2003 for 2003 data, from January 2002 to December 2002 for 2002 data. Readmissions are supposed to be counted in the numerators according to the measure specifications, but were not counted because the data were not available at this time.

b Per measure specifications revised 6/22/2005, percents and standard errors are calculated based on data weighted to reflect the contribution of each State's sample to national estimates.

DSU - Data do not meet the criteria for statistical reliability, data quality or confidentiality.

Key: CHF: congestive heart failure; COPD: chronic obstructive pulmonary disease.

Source: Centers for Medicare & Medicaid Services, Medicare Patient Safety Monitoring System.

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