TABLE 1

Intussusception Hospitalizations Rates per 100 000 and RRs and 95% CIs by Age Group in the Pre– (2000–2005) and Post– (2007–2013) Rotavirus Vaccine Introduction Years

Age Group2000–20052007200820092010201120122013
Mean Rate (min, max)RateRR (95% CI)RateRR (95% CI)RateRR (95% CI)RateRR (95% CI)RateRR (95% CI)RateRR (95% CI)RateRR (95% CI)
<12 mo35.9 (33.9, 37.2)40.41.13 (1.07–1.20)34.80.97 (0.91–1.04)35.30.98 (0.92–1.05)40.31.12 (1.06–1.20)37.31.04 (0.98–1.11)36.71.02 (0.96–1.09)34.70.97 (0.91–1.04)
6–14 wk15.0 (12.6, 17.8)21.41.43 (1.16–1.76)22.51.50 (1.22–1.83)18.71.25 (1.00–1.56)21.31.42 (1.15–1.75)17.91.19 (0.95–1.49)21.41.42 (1.15–1.76)17.01.13 (0.90–1.43)
 8–11 wk11.4 (8.3, 14.1)20.71.82 (1.32–2.51)22.92.01 (1.48–2.74)16.71.46 (1.03–2.09)20.41.79 (1.29–2.49)15.01.32 (0.91–1.91)17.41.52 (1.07–2.16)14.71.29 (0.88–1.87)
15–24 wk46.4 (38.2, 50.8)47.11.01 (0.89–1.15)43.30.93 (0.82–1.06)42.10.91 (0.79–1.04)55.01.18 (1.05–1.34)50.21.08 (0.95–1.23)41.80.90 (0.79–1.03)45.50.98 (0.86–1.12)
25–34 wk55.8 (53.8, 59.1)59.61.07 (0.95–1.20)45.50.82 (0.72–0.93)55.71.00 (0.89–1.12)54.10.97 (0.86–1.10)56.11.01 (0.89–1.13)57.11.02 (0.91–1.15)49.80.89 (0.79–1.01)
  • Data are from 26 states from the HCUP’s SID15 and include the following states: Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Iowa, Illinois, Kansas, Kentucky, Maryland, Massachusetts, Michigan, Missouri, North Carolina, New Jersey, New York, Oregon, South Carolina, Tennessee, Texas, Utah, Washington, Wisconsin, and West Virginia.