CDC Guidelines | Grandis et al. 1992 [17] |
Superficial SSI: Infection within 30 days of the operation Involving Skin and Subcutaneous tissue of the incision | Presence of fever, elevated leukocyte count, appearance of wound, institution of antimicrobial therapy |
At least one of: a. Purulent drainage from the incision b. Organisms identified by aseptically obtained sample c. Incision is deliberately opened by a physician AND patient has at least one of the following: pain, localized swelling, erythema or heat d. Diagnosis of SSI by physician | Â |
The following are not included: a. Stitch abscess alone b. The diagnosis and treatment of cellulitis (erythema, warmth, swelling) alone does not meet criteria | Â |
Deep SSI: Infection within 30–90 days of the operation Involves the deeper soft tissues of the incision |  |
At least one of: a. Purulent drainage b. Deep incision with spontaneous dehiscence, or is deliberately opened by surgeon and organism is cultured and patient has at least one of the following signs and symptoms: fever, localized pain, and tenderness. c. Abscess, or radiological evidence of an infection. | Â |