Table 4.

New broncho-pulmonary colonization and antibiotic courses of pediatric cases and age-matched controls during the year after A/H1N1 2009 pandemic influenza

	n	Cases (n = 33)	n	Controls (n = 55)	p
Age	33	9.7+/- 4.7	55	9.5+/- 4.8	0,9
Antibiotics, number of treatments, mean (SD)
Oral	33	2.7 (2.2)	55	2.4 (2.6)	0.40
Intravenous	33	0.52 (1.12)	55	0.56 (2.01)	0.33
New bronchopulmonary colonization, n (%)
Any germ	33	13 (39)	55	26 (47)	0.47
H. influenza	33	1 (3)	55	9 (16)	0.04
S. aureus	33	3 (9)	55	6 (11)	0.78
P. aeruginosa	33	6 (18)	55	6 (11)	0.44
B. cepacia	33	0	55	1 (2)	0.40
A. fumigatus	33	3 (9)	55	4 (7)	0.94
Oxygen therapy, n (%)	33	0 (0)	55	0 (0)	1
Noninvasive ventilation, n (%)	33	0 (0)	55	0 (0)	1

Both are compared to reference data and expressed as percent predicted values, based on age, gender, and height

FEV1 forced expiratory volume in one second, FVC forced vital capacity, SD standard deviation