TABLE 3

Bacterial isolates in sputum samples from p.Arg117His patients versus p.Phe508del homozygotes

	p.Arg117His/class I or II		**p.Arg117His/p.Gly551Asp**	p.Phe508del homozygotes	p-value
	5T	7T	**p.Arg117His/p.Gly551Asp**	p.Phe508del homozygotes	p-value
Patients	34	10	4	173
*Pseudomonas aeruginosa*^#	9 (23.7)	0	0 (0)	108 (57.4)	<0.0001
*Mucoid P. aeruginosa^#*	9 (26.5)	0	0	90 (52)	<0.0001
*Staphylococcus aureus*	20 (60.6)	6 (60)	1 (25)	73 (42.2)	0.157
Methicillin-resistant S. aureus	1 (2.9)	0	0	9 (5.2)	0.848
*Haemophilus influenzae*	11 (32.4)	0	0	46 (26.6)	0.416
*Stenotrophomonas maltophilia*	4 (11.8)	0	0	20 (11.6)	0.649
Achromobacter spp.	2 (5.9)	0	1 (25)	1 (2.3)	0.106
Aspergillus spp.	1 (2.6)	0	0	8 (4.3)	0.847
Burkholderia cepacia complex	1 (2.6)	0	0	9 (5.2)	0.573

Data are presented a n or n (%). ^#: percentages of patients with intermittent (<50% samples positive) or chronic (>50% samples positive) colonisation in the previous year.