Length of stay and hospital charges ^a within 90 days of surgery attributable to surgical site infection (SSI) due to methicillin resistant <i>Staphylococcus aureus</i> (MRSA): SSI due to MRSA compared to uninfected controls.

aCharges were normalized to year 2003 by adjusting for inflation at a rate of 0.03% per year. bAdjusted for procedure at tertiary care hospital, need assistance with ≥3 ADLs, post-operative serum glucose >200 mg/dL, orthopedic procedure, caucasian race, McCabe score = 1, male sex, coronary artery bypass graft procedures, surgical duration >75th NNIS percentile, and contained a term for the interaction of MRSA SSI and need assistance with 3 or more ADLs. cAdjusted for procedure at tertiary care hospital, coronary artery bypass graft procedure, surgical duration >75th NNIS percentile, procedure on same day as admission, ASA score ≥3, the interaction between MRSA SSI and need assistance with 3 or more ADLs and the interaction between MRSA SSI and procedure at a tertiary care hospital.