Table 4:

Number (Percentage) of Patients with Additional Microorganisms

Microorganism	Colistin Group			Placebo Group
	Baseline	1 Mo	Final Visit	Baseline	1 Mo	Final visit
Achromobacter xylosoxidans	1 (1.4%)	1 (1.8%)	0	2 (2.8%)	1 (2.0%)	1 (1.6%)
Acinetobacter spp.	0	0	0	2 (2.8%)	0	0
Aeromonas sp.	0	0	0	0	1 (2.0%)	0
Aspergillus spp.	2 (2.8%)	0	5 (7.5%)	4 (5.7%)	2 (3.9%)	3 (4.8%)
Candida spp.	2 (2.8%)	1 (1.8%)	2 (3.0%)	4 (5.7%)	1 (2.0%)	3 (4.8%)
Coliform	1 (1.4%)	0	0	0	0	1 (1.6%)
Haemophilus influenzae	0	0	0	1 (1.4%)	1 (2.0%)	3 (4.8%)
Klebsiella pneumoniae	0	0	0	1 (1.4%)	0	0
Moraxella catarrhalis	3 (4.2%)	0	2 (3.0%)	2 (2.9%)	1 (2.0%)	4 (6.5%)
Providencia rettgeri	0	0	1 (1.5%)	0	0	0
Serratia marcescens	0	0	0	0	0	1 (1.6%)
Staphylococcus aureus	3 (4.2%)	3 (5.5%)	5 (7.5%)	5 (7.1%)	8 (15.7%)	2 (3.2%)
Stenotrophomonas maltophilia	0	0	0	0	0	1 (1.6%)
Streptococcus pneumoniae	2 (2.8%)	1 (1.8%)	2 (3.0%)	0	1 (2.0%)	1 (1.6%)
Number of patient samples	71	55	67	70	51	62

Limit of detection: 2 × 10³ organisms per milliliter sputum for bacteria and 200 organisms per milliliter sputum for fungi.