Table 3.

 Association between bacteria and viruses and wheezy episodes in children up to age 3 years

Wheezy episodes	Bacteria	P value	Virus	P value	Bacteria adjusted for viruses	P value
Overall	2.9 (1.9 to 4.3)	<0.001	2.8 (1.7 to 4.4)	<0.001	2.5 (1.0 to 6.2)	0.049
≤4 episodes	3.5 (2.0 to 6.3)	<0.001	3.5 (2.0 to 6.0)	<0.001	4.0 (1.4 to 11.6)	0.012