Table 2.

In vitro activity of polymyxin B and miconazole against Pseudomonas aeruginosa strains

	QC strain	Germany	France	Italy	Total
MIC for polymyxin B (μg/mL)
n		8	8	8	24
Mode	0.27	0.27	0.54	0.54	0.54
Median		0.54	0.54	0.54	0.54
IQR		1.07–0.27	0.54–0.27	1.07–0.54	1.07–0.27
Minimum		0.27	0.27	0.27	0.27
Maximum		>275	1.07	1.07	>275
FICI for polymyxin B and miconazole
n		6	8	8	22
Mode	0.50	0.50	0.25	0.50	0.50
Median		0.50	0.25	0.50	0.50
IQR		0.50–0.50	0.50–0.25	0.63–0.44	0.50–0.25
Minimum		0.13	0.13	0.25	0.13
Maximum		0.50	1.00	1.00	1.00
P-values
pc					0.200
p<1.0					4.7 × 10−5
p<0.5					0.348

Abbreviations are as for Table 1.