TABLE 1

Estimated Numbers and Rates of Varicella-Related Hospitalizations per Year According to Age Group During the Prevaccination (1988–1995) and 1-Dose Vaccination (2000–2006) Eras, United States

Age, yTotal, n (%)Rate per 10 000 Populationa
Prevaccination Era1-Dose Vaccination EraPrevaccination Era1-Dose Vaccination Era
0–44724 (44.4)1376 (39.3)2.50.7
5–91731 (16.3)329 (9.4)1.00.2
10–19782 (7.4)386 (11.0)0.40.1
≥203394 (31.9)1407 (40.2)0.20.07
Total10 632 (100.0)3498 (100.0)0.40.12
  • Estimates were calculated by using data from the NHDS.

  • a All differences between the prevaccination and 1-dose vaccination eras were statistically significant (P < .001).