Table 1.

Patient characteristics before and after matching

Variables	Before matching			After matching
	H. Influenzae colonizers	H. Influenzae non-colonizers	P	H. Influenzae colonizers	H. Influenzae non-colonizers	P
	n = 79	n = 4,421		n = 78	n = 154
Age	59.0 [51.5–65.0]	60.0 [52.0–67.0]	0.298	59.0 [52.0–65.0]	58.5 [51.0–66.0]	0.977
Sex, male	32 (40.5)	1859 (42.0)	0.873	32 (41.0)	64 (41.6)	> 0.999
Colonization of Pseudomonas aeruginosa	24 (30.4)	549 (12.4)	< 0.001	23 (29.5)	45 (29.2)	> 0.999
Colonization of any other bacteria	37 (46.8)	1293 (29.2)	0.001	36 (46.2)	65 (42.2)	0.665
Follow-up duration, years	7.90 [2.56–13.39]	4.02 [1.14–8.40]	< 0.001	7.73 [2.52–13.37]	9.10 [2.68–13.90]	0.919
Number of PFTs, counts	2.00 [1.00–5.00]	1.00 [1.00–3.00]	0.050	2.00 [1.00–5.00]	2.00 [1.00–5.00]	0.486

Data are shown as count (percentage) or median [interquartile range]. Abbreviations: PFT, pulmonary function test