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Table 2.24
Percent of patients who had a knee joint replacement with adverse events associated with the knee joint replacement, United States, 2004 and 2005a
Population group 2005 2004
Exposed Adverse events Percent Standard error Exposed Adverse events Percent Standard error
Total   711 29 4.08 0.74 603 30 4.98 0.89
Age Under 65 DSU DSU DSU DSU DSU DSU DSU DSU
65-74 376 12 3.19 0.91 314 14 4.46 1.17
75 and over 282 14 4.96 1.29 240 13 5.42 1.46
Gender Male 259 11 4.25 1.25 225 11 4.89 1.44
Female 452 18 3.98 0.92 378 19 5.03 1.12
Race White 648 27 4.17 0.78 561 28 4.99 0.92
Other DSU DSU DSU DSU DSU DSU DSU DSU
Diabetes Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 558 22 3.94 0.82 483 24 4.97 0.99
Obesity Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 597 27 4.52 0.85 520 27 5.19 0.97
Cerebrovascular disease Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 668 28 4.19 0.78 548 26 4.75 0.91
CHF/pulmonary edema Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 675 26 3.85 0.74 562 26 4.63 0.89
COPD Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 604 23 3.81 0.78 505 21 4.16 0.89
Smoking Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 673 28 4.16 0.77 573 28 4.89 0.90
Cancer Yes DNA DNA DNA DNA DSU DSU DSU DSU
No DNA DNA DNA DNA 503 22 4.37 0.91
Corticosteroids Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 693 27 3.90 0.74 590 30 5.09 0.90
Coronary artery disease Yes 143 11 7.69 2.23 121 11 9.09 2.61
No 568 18 3.17 0.74 482 19 3.94 0.89
Renal disease Yes DSU DSU DSU DSU DSU DSU DSU DSU
No 672 25 3.72 0.73 574 25 4.36 0.85

a Data include Medicare beneficiaries discharged from January to December.

DNA - Data have not been analyzed.

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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