From: T.E.A. Study: three-day ertapenem versus three-day Ampicillin-Sulbactam
 | Ertapenem group | Ampicillin Sulbactam group | ||||||
---|---|---|---|---|---|---|---|---|
 | appendicitis | non appendicitis | appendicitis | non appendicitis | ||||
Pathogen | S | R | S | R | S | R | S | R |
Aerobes Gram-positive | ||||||||
Staphylococcus coagulase-negative | 1 | Â | Â | Â | Â | Â | Â | Â |
Staphylococcus haemolyticus | 1 | Â | Â | Â | 2 | 2 | 4 | Â |
Other staphylococci | 2 | 1 | 3 | Â | 2 | Â | Â | Â |
Streptococci | Â | Â | 6 | Â | Â | Â | 2 | Â |
Enterococcus faecium | Â | Â | Â | Â | Â | Â | Â | 3 |
Enterococcus faecalis | Â | Â | Â | Â | 1 | Â | Â | Â |
Other enterococci | Â | Â | 2 | Â | Â | Â | 2 | Â |
Aerobes Gram-negative | ||||||||
Escherichia coli | 36 | Â | 9 | Â | 21 | 3 | 23 | Â |
Enterobacter cloacae | Â | Â | Â | 1 | Â | Â | Â | Â |
Enterobacter faecalis | Â | Â | 2 | Â | Â | Â | Â | Â |
Pseudomonas | Â | Â | Â | Â | 2 | 1 | Â | Â |
Klebsiella | Â | Â | Â | Â | Â | Â | 3 | Â |
Other Enterobacter spp | 2 | Â | Â | Â | Â | Â | Â | 2 |
Proteus | Â | Â | Â | Â | Â | Â | 2 | Â |
Serratia | Â | Â | Â | Â | Â | Â | Â | 2 |
Citrobacter | Â | Â | Â | Â | Â | Â | Â | Â |
Acinetobacter baumanii | Â | 1 | Â | Â | Â | Â | Â | Â |
Anaerobes | ||||||||
Bacteroides fragilis | 5 | Â | 4 | Â | 3 | Â | 4 | Â |
Clostridium spp | 2 | Â | Â | Â | Â | Â | Â | Â |
Fusobacterium frigens | Â | Â | 2 | Â | Â | Â | Â | Â |
Peptostreptococcus | Â | Â | Â | Â | 1 | Â | Â | Â |