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 epilepsy | People without epilepsy | ||||||
|---|---|---|---|---|---|---|---|
| No | Seizures (No of people) | Incidence rate (95% CI) | No | Seizures (No of people) | Incidence rate (95% CI) | ||
| Total | 7787 | 987 (738) | 253 (238 to 270) | 365 611 | 168 (121) | 0.89 (0.76 to 1.03) | |
| Sex: | |||||||
| Male | 3455 | 487 (361) | 282 (258 to 308) | 173 112 | 80 (58) | 0.89 (0.70 to 1.11) | |
| Female | 4332 | 500 (377) | 231 (211 to 252) | 192 499 | 88 (63) | 0.88 (0.71 to 1.09) | |
| Age (years): | |||||||
| 0-24 | 776 | 340 (241) | 809 (725 to 900) | 116 409 | 72 (46) | 1.08 (0.85 to 1.37) | |
| 25-49 | 2227 | 264 (203) | 239 (211 to 270) | 99 774 | 36 (25) | 0.73 (0.51 to 1.01) | |
| 50-74 | 3445 | 293 (230) | 171 (152 to 192) | 115 339 | 34 (25) | 0.60 (0.41 to 0.83) | |
| ≥75 | 1339 | 90 (64) | 137 (110 to 168) | 34 089 | 26 (25) | 1.55 (1.01 to 2.27) | |
| Period (days around vaccination): | |||||||
| −90-−31 | 7787 | 318 (294) | 249 (222 to 277) | 365 611 | 36 (34) | 0.60 (0.42 to 0.83) | |
| −30-−1 | 7787 | 200 (187) | 313 (271 to 359) | 365 611 | 28 (25) | 0.93 (0.62 to 1.35) | |
| 1-7 | 7787 | 41 (40) | 258 (185 to 350) | 365 611 | 5 (5) | 0.62 (0.20 to 1.45) | |
| 8-30 | 7785 | 131 (121) | 253 (212 to 300) | 365 551 | 27 (27) | 1.03 (0.68 to 1.49) | |
| 31-90 | 7769 | 297 (258) | 229 (204 to 256) | 365 231 | 72 (60) | 1.11 (0.87 to 1.40) | |