TABLE 2.
Primary Pathogens Isolated from Surgical Site Infections (SSIs) Occurring Greater Than 90 Days Postoperatively That Were Excluded by the 2013 SSI Definitions for 90-Day Surveillance Procedures
| Primary pathogen | SSI diagnosis at 91–180 days | SSI diagnosis at >180 days | Total |
|---|---|---|---|
| Staphylococcus aureus | 51 | 21 | 72 |
| Gram-negative rod bacteria | 14 | 8 | 22 |
| Coagulase-negative staphylococci | 5 | 14 | 19 |
| No pathogen identified | 9 | 8 | 17 |
| Streptococci | 8 | 4 | 12 |
| Other | 5 | 5 | 10 |
| Enterococci | 3 | 4 | 7 |
| Yeast | 2 | 1 | 3 |
| Total no. of SSIs | 97 | 65 | 162 |
NOTE. Ninety-day surveillance procedures include breast surgery, cardiac surgery, coronary artery bypass grafting, craniotomy, herniorrhaphy, hip prosthesis, knee prosthesis, open reduction internal fixation, pacemaker, peripheral vascular bypass, spinal fusion, and ventricular shunt.