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Table 1 MRSA Bloodstream Infections in US Hospitals Having Major Risk Adjustment. Data Acquisition Dates 1/4/2017 to 31/3/2018

From: Control of MSSA and MRSA in the United States: protocols, policies, risk adjustment and excuses

Hospital Name City State Patient Days Risk Adj. Perdicted Cases Non-Risk Adj. Perdicted Cases* Observed Cases Risk Adj. SIR Non-Risk Adj SIR* Percent difference**
HOSPITAL FOR SPECIAL SURGERY NEW YORK NY 50,032 1.148 2.606 1 0.871 0.384 127.01%
HIALEAH HOSPITAL HIALEAH FL 54,002 1.348 2.813 6 4.451 2.133 108.69%
MAGEE WOMENS HOSP. OF UPMC HEALTH SYSTEM PITTSBURGH PA 94,175 2.461 4.906 3 1.219 0.612 99.35%
WOMEN & INFANTS HOSPITAL OF RHODE ISLAND PROVIDENCE RI 77,556 2.082 4.040 2 0.961 0.495 94.13%
WOMANS HOSPITAL OF TEXAS,THE HOUSTON TX 110,317 2.984 5.747 2 0.670 0.348 92.52%
MEDSTAR GEORGETOWN UNIVERSITY HOSPITAL WASHINGTON DC 121,973 13.276 6.354 10 0.753 1.574 −52.15%
PENN PRESBYTERIAN MEDICAL CENTER PHILADELPHIA PA 90,041 9.801 4.691 6 0.612 1.279 −52.16%
UNIVERSITY HEALTH SYSTEM SAN ANTONIO TX 180,652 19.662 9.411 12 0.610 1.275 −52.16%
UNIVERSITY OF IOWA HOSPITAL & CLINICS IOWA CITY IA 213,095 23.193 11.101 11 0.474 0.991 −52.16%
INDIANA UNIV. HEALTH BALL MEMORIAL HOSPITAL MUNCIE IN 88,914 9.678 4.632 4 0.413 0.864 −52.18%
  1. A smaller SIR denotes better performance
  2. *Estimated using total number of U.S. MRSA Bloodstream Infections and total number of U.S. Hospital Patient Days
  3. **Negative values increases performance with a smaller SIR, postive values decreases performance with a larger SIR
  4. Non-Risk Adjusted SIR was calculated using a ratio of the hospital’s observed cases / the hospital’s Non-Risk Adjusted Perdicted Cases
  5. Non-Risk Adjusted Perdicted Cases was calucated by multiplying the Non-Risk Adjusted National Infection Rate by the number of facility Patient Days
  6. Non-Risk Adjusted National Infection Rate equals the the sum of the national total Observed Cases divided by the national total number of Patient Days
  7. N equaled 3917 U.S. facilities