Table 2.

BAL cellular contents in children with refractory wheezing and controls^a

	Refractory wheezing children without airway malformation (n = 122)	Control group (n = 46)	P value
Alveolar macrophages, %	60.80 ± 29.20, 67 (35.0 ~ 88.25)	87.06 ± 8.22, 90 (82.5 ~ 93.0)	<0.001
Lymphocytes, %	7.20 ± 6.46, 5 (2.0–10.0)	6.48 ± 5.52, 5 (2.0 ~ 8.0)	0.314
Neutrophils, %	31.26 ± 28.10, 25 (6.0 ~ 49.25)	6.38 ± 6.59, 4 (2.0 ~ 9.0)	<0.001
Eosinophils, %	0.75 ± 2.76, 0.0 (0.0 ~ 0.0)	0.08 ± 0.27, 0.0 (0.0 ~ 0.0)	0.040

^aData presented as mean ± SD, median (25th to 75th percentiles)