Distribution and Characteristics of Bacteria Isolated from Cystic Fibrosis Patients with Pulmonary Exacerbation

Table 2

Distribution of microorganisms in different age groups.

Microorganisms	Age groups (years) (number)/number (%)
	<2 (15)	2–5 (24)	6–10 (24)	11–15 (32)	16–20 (25)	21–30 (9)	Total number = 129
Staphylococcus aureus	5 (8.7)	14 (24.6)	12 (21.2)	16 (28.1)	7 (12.2)	3 (5.2)	57 (55.3)
Pseudomonas aeruginosa	2 (4.8)	5 (11.8)	9 (20.4)	11 (25.7)	13 (30.4)	3 (6.9)	43 (41.7)
Coagulase negative staphylococci	3 (25.0)	3 (25.0)	2 (16.7)	1 (8.3)	3 (25.0)	0	12 (11.6)
Yeast	3 (33.4)	0	1 (11.1)	2 (22.2)	1 (11.1)	2 (22.2)	9 (8.7)
Escherichia coli	0	1 (25.0)	0	2 (50.0)	0	1 (25.0)	4 (3.8)
Klebsiella spp.	2 (100.0)	0	0	0	0	0	2 (1.9)
Enterobacter spp.	0	1 (100.0)	0	0	0	0	1 (0.9)
Achromobacter xylosoxidans	0	0	0	0	1 (100.0)	0	1 (0.9)