TABLE 2.

Microbiological data

Organismsa	No. of isolates	Median MIC (minimum–maximum), mg/liter	Antimicrobial therapy
Gram-negative bacteria	5	2 (1–4)	Amoxicillin + clavulanic acid (n = 5)
Gram-positive bacteria	15	0.5 (0.016–2)	Amoxicillin (n = 3), amoxicillin + clavulanic acid (n = 12)

^aGram-negative species included Haemophilus influenzae (n = 2), Klebsiella pneumoniae, Citrobacter koseri, and Pantoea spp. Gram-positive species included Staphylococcus aureus (n = 6), Streptococcus pneumoniae (n = 5), Streptococcus bovis, Enterococcus faecalis, Granulicatella adiacens, and Bacillus spp.