Table 1

 Frequency and incidence rates of seizures per 1000 person years among vaccinated population with and without previous epileptic seizures, by sex, age group, and study period

People with epilepsyPeople without epilepsy
NoSeizures (No of people)Incidence rate (95% CI)NoSeizures (No of people)Incidence rate (95% CI)
Total7787987 (738)253 (238 to 270)365 611168 (121)0.89 (0.76 to 1.03)
Sex:
 Male3455487 (361)282 (258 to 308)173 11280 (58)0.89 (0.70 to 1.11)
 Female4332500 (377)231 (211 to 252)192 49988 (63)0.88 (0.71 to 1.09)
Age (years):
 0-24776340 (241)809 (725 to 900)116 40972 (46)1.08 (0.85 to 1.37)
 25-492227264 (203)239 (211 to 270)99 77436 (25)0.73 (0.51 to 1.01)
 50-743445293 (230)171 (152 to 192)115 33934 (25)0.60 (0.41 to 0.83)
 ≥75133990 (64)137 (110 to 168)34 08926 (25)1.55 (1.01 to 2.27)
Period (days around vaccination):
 −90-−317787318 (294)249 (222 to 277)365 61136 (34)0.60 (0.42 to 0.83)
 −30-−17787200 (187)313 (271 to 359)365 61128 (25)0.93 (0.62 to 1.35)
 1-7778741 (40)258 (185 to 350)365 6115 (5)0.62 (0.20 to 1.45)
 8-307785131 (121)253 (212 to 300)365 55127 (27)1.03 (0.68 to 1.49)
 31-907769297 (258)229 (204 to 256)365 23172 (60)1.11 (0.87 to 1.40)