Table 1.

Clinical characteristics of four study groups

	Influenza virus group (n = 71)	Parainfluenza virus group (n = 56)	RSV group (n = 119)	Adenovirus group (n = 31)
Age (years)*	2.8 ± 2.4	2.2 ± 1.6	1.2 ± 0.7	2.3 ± 2.2
Sex (male/female)	40/31	32/24	81/38	23/8
Total IgE (IU/mL)†	52.5 (17.0–162.2)	40.7 (9.12–182.0)	40.7 (7.76–213.8)	89.1 (28.8–275.4)
Blood eosinophil count (/μL)†	38.0 (10.7–134.9)	44.7 (12.3–162.2)	93.3 (30.2–288.4)‡	95.5 (33.9–269.2)‡
Eosinophil cationic protein (μg/mL)†	6.92 (4.37–11.0)	4.27 (2.09–8.71)	19.6 (7.46–53.7)‡	9.12 (5.89–14.1)

*Means ± SD.

^†Geometric mean (range of 1 SD).

^‡p < 0.05 versus influenza virus group.

RSV = respiratory syncytial virus.