LPCH Antibiogram: Gram Positive Cocci 2008

• LPCH Antibiogram 2008  (printable PDF)

Values expressed are % susceptible by Broth Microdilution, Etest, or Disk Diffusion

		Beta-Lactams								Others
	Number of Isolates	Oxa- cillin/ Naf- cillin	Penicillin or Ampicillin			1st Gener- ation cephems	Cefur- oxime	Ceftri- axone	Mero- penem	Genta- micin	Cipro- floxacin	Clinda- mycin (a)	Erythro- mycin	Nitro- furantoin - urine	Co-trimox- azole	Vanco- mycin	Tetra- cycline	Line- zolid
			%S	%I	%R
Cost		$	$				$$	$$$	$$$	$	$$$	$	$	$	$	$	$	$$$
Staphylococcus aureus	430	80%	18%	-	-	80%	-	-	-	96%	-	80%	47%	-	100%	100%	-	-
MRSA only	93	0%	0%	-	-	0%	-	-	-	97%	-	59%	8%	-	100%	100%	96%	-
Staphylococcus epidermidis	10	10%	10%	-	-	10%	-	-	-	50%	-	56%	22%	-	90%	100%	-	-
Staphylococcus sp., Coagulase-negative	169	32%	11%	-	-	32%	-	-	-	55%	-	51%	24%	-	68%	100%	-	-
Enterococcus faecium	18	-	28%	0%	72%	-	-	-	-	-	-	-	-	-	-	44%	-	100%
Enterococcus faecalis	53	-	100%	0%	0%	-	-	-	-	-	-	-	-	-	-	98%	-	-
Enterococcus sp. (not identified to species)	183	-	92%	0%	8%	-	-	-	-	-	85%	-	-	94%	-	96%	-	-
Streptococcus group B (vag/anal screen)	246	-	100%	0%	0%	-	-	-	-	-	-	81%	78%	-	-	-	-	-
viridans group streptococci	38	-	79%	18%	3%	-	-	92%	-	-	-	83%	44%	-	-	100%	-	-
Streptococcus pneumoniae	43	-	58% (b)	-	42%	-	72%	93% (c)	88%	-	-	88%	70%	-	74%	100%	-	-

Drug cost:
Low ($); Moderate ($$); High ($$$)

(a) Testing for inducible clindamycin resistance performed on S. aureus isolates, or by MD request.

(b) Based on meningitis interpretive criteria (more conservative). Nonmeningitis interpretation is 93%.

(c) Ceftriaxone uses the meningitis interpretive criteria (more conservative).