Table 3.

Hospitalization rate (%) among infants receiving 1–8 reported vaccine doses, stratified by age (in 0.1 year increments), VAERS 1990–2010 database

Age (years)	Number reported hospitalized	Total no. of reports	Hospitalization rate, %	95% confidence interval
0.0	154	765	20.1	17.3–23.0
0.1	308	1576	19.5	17.6–21.5
0.2	2210	12,476	17.7	17.0–18.4
0.3	1115	6897	16.2	15.3–17.0
0.4	806	4694	17.2	16.1–18.2
0.5	858	5572	15.4	14.5–16.3
0.6	385	2780	13.8	12.6–15.1
0.7	149	1372	10.9	9.2–12.5
0.8	208	1868	11.1	9.7–12.6
0.9	86	801	10.7	8.6–12.9
Totals aged <1 year	6279	38,801	16.2	15.8–16.5

VAERS: Vaccine Adverse Event Reporting System.