Surgical Site Infection (SSI) Rates in the United States, 1992–1998: The National Nosocomial Infections Surveillance System Basic SSI Risk Index

摘要: By use of the National Nosocomial Infections Surveillance (NNIS) System's surgical patient surveillance component protocol, NNIS basic risk index was examined to predict a site infection (SSI). The SSI is composed following criteria: American Society Anesthesiologists score 3, 4, or 5; wound class; and duration surgery. effect when laparoscope used also determined. Overall, for 34 44 procedure categories, rates increased significantly (P< .05) with number factors present. With regard cholecystectomy colon surgery, rate lower done laparoscopically within each category. appendectomy gastric affected only no other were useful adjustment wide variety procedures. For 4 operations, lowered risk, requiring modification index.