Question: is staph epidermidis coagulase negative?
Answer: S. epidermidis is the most prevalent species, accounting for approximately 60-70% of all coagulase-negative Staphylococci on the skin. Coagulase-negative staphylococci are frequently associated with nosocomial infections, 41% of the time when bacteremia is present, and of these many are line infections (74).