Table 2.

Adjusted odds of hospitalization in patients with RSV infection stratified by age

	< 3 months n=252		3 to 6 months n=128		> 6–24 months n=154
	OR [95% CI]	p-value	OR [95% CI]	p-value	OR [95% CI]	p-value
Fever	8.33 [2.74–36.41]	0.001	2.76 [1.03–7.74]	0.047	7.85 [1.65–59.48]	0.019
Increased WOB	3.37 [1.37–8.85]	0.010	12.13 [4.32–34.96]	<0.001	5.78 [2.09–17.82]	0.001
Breastfeeding	0.71 [0.29–1.72]	0.459	0.26 [0.09–0.72]	0.012	0.19 [0.06–0.53]	0.002
Rhinorrhea	0.30 [0.12–0.74]	0.010	0.40 [0.14–1.12]	0.130	0.13 [0.04–0.40]	0.001
Wheezing	1.64 [0.69–4.01]	0.269	0.25 [0.07–0.79]	0.025	0.25 [0.08–0.72]	0.013
RSV loads	0.75 [0.49–1.09]	0.151	0.96 [0.61–1.50]	0.867	0.32 [0.16–0.58]	0.001

RSV, respiratory syncytial virus; OR, odds ratio; CI, confidence interval; WOB, work of breathing.