TABLE 3

Febrile-Seizure Rate: Percent That Were Chart-Confirmed

Risk Window After VaccinationVaccine
MMRV, % (N Confirmed/N Reviewed)MMR + Varicella, % (N Confirmed/N Reviewed)PaOverall Percent Confirmed (95% CI)
Days 7–1092 (70/76)90 (138/154).5590 (87–94)
Days 0–6 and 11–4284 (90/107)82 (94/114).7483 (78–88)
  • The total number of MMRV-recipient charts reviewed was 183; the total number of MMR + varicella-recipient charts reviewed was 268.

  • a Comparison between percentage confirmed between MMRV and MMR + varicella vaccines for the stated postvaccination period.