Age group and studies | Number vaccinated | E.V. No. | Deaths No. | Risk of complication per million (95% C.I.)a | Risk of death per million (95% C.I.)a | Case fatality risk per hundred (95% C.I.)a | |||
---|---|---|---|---|---|---|---|---|---|
Age <1 | |||||||||
Neff 1967a | 654,000 | 16 | 0 | 24.5 | (14.0, 39.7) | 0.0 | (0.0, 5.6) | 0.0 | (0.0, 20.6) |
Neff 1967b | 31,000 | 3 | 0 | 96.8 | (20.0, 283) | 0.0 | (0.0, 119) | 0.0 | (0.0, 70.8) |
Lane 1969 | 614,000 | 5 | 0 | 8.1 | (2.6, 19.0) | 0.0 | (0.0, 6.0) | 0.0 | (0.0, 52.2) |
Lane 1970 | 17,000 | 1 | 0 | 58.8 | (1.5, 328) | 0.0 | (0.0, 217) | 0.0 | (0.0, 97.5) |
Ratner 1970 | 1 | 0 | 0 | n/c | n/c | n/c | n/c | n/a | n/a |
Neff 1972 | 32 | 0 | 0 | n/c | n/c | n/c | n/c | n/a | n/a |
Summary | 1,316,033 | 25 | 0 | 19.0 | (12.3, 28.0) | 0.0 | (0.0, 2.8) | 0.0 | (0.0, 13.7) |
Age 1 to 4 | |||||||||
Neff 1967a | 2,973,000 | 22 | 0 | 7.4 | (4.6, 11.2) | 0.0 | (0.0, 1.2) | 0.0 | (0.0, 15.4) |
Neff 1967b | 142,000 | 9 | 0 | 63.4 | (29.0, 120) | 0.0 | (0.0, 26.0) | 0.0 | (0.0, 33.6) |
Lane 1969 | 2,733,000 | 31 | 0 | 11.3 | (7.7, 16.1) | 0.0 | (0.0, 1.3) | 0.0 | (0.0, 11.2) |
Lane 1970 | 317,000 | 14 | 0 | 44.2 | (24.1, 74.1) | 0.0 | (0.0, 11.6) | 0.0 | (0.0, 23.2) |
Ratner 1970 | 68,002 | 0 | 0 | 0.0 | (0.0, 54.2) | 0.0 | (0.0, 54.2) | n/a | n/a |
Neff 1972 | 517 | 0 | 0 | 0.0 | (0.0, 7110) | 0.0 | (0.0, 7110) | n/a | n/a |
Summary | 6,233,519 | 76 | 0 | 12.2 | (9.6, 15.3) | 0.0 | (0.0, 0.6) | 0.0 | (0.0, 4.7) |
Age 5 to 19 | |||||||||
Neff 1967a | 2,295,000 | 15 | 0 | 6.5 | (3.7, 10.8) | 0.0 | (0.3, 1.6) | 0.0 | (0.0, 21.8) |
Neff 1967b | 110,000 | 8 | 0 | 72.7 | (31.4, 143) | 0.0 | (0.3, 33.5) | 0.0 | (0.0, 36.9) |
Lane 1969 | 1,959,000 | 14 | 0 | 7.1 | (3.9, 12.0) | 0.0 | (0.3, 1.9) | 0.0 | (0.0, 23.2) |
Lane 1970 | 229,000 | 8 | 0 | 34.9 | (15.1, 68.8) | 0.0 | (0.3, 16.1) | 0.0 | (0.0, 36.9) |
Ratner 1970b | 193,721 | 3 | 0 | 15.5 | (3.2, 45.3) | 0.0 | (0.3, 19.0) | 0.0 | (0.0, 70.8) |
Summary | 4,786,721 | 48 | 0 | 10.0 | (7.4, 13.3) | 0.0 | (0.0, 0.8) | 0.0 | (0.0, 7.4) |
Age 20 + | |||||||||
Neff 1967a | 317,000 | 1 | 0 | 3.2 | (0.1, 17.6) | 0.0 | (0.3, 11.6) | 0.0 | (0.0, 97.5) |
Neff 1967b | 15,000 | 1 | 0 | 66.7 | (1.7, 371) | 0.0 | (0.3, 246 | 0.0 | (0.0, 97.5) |
Lane 1969 | 288,000 | 7 | 0 | 24.3 | (9.8, 50.1) | 0.0 | (0.3, 12.8) | 0.0 | (0.0, 41.0) |
Lane 1970 | 33,000 | 1 | 0 | 30.3 | (0.8, 169) | 0.0 | (0.3, 112 | 0.0 | (0.0, 97.5) |
Ratner 1970b | 107,822 | 0 | 0 | 0.0 | (0.0, 34.2) | 0.0 | (0.3, 34.2) | n/a | n/a |
Summary | 760,822 | 10 | 0 | 13.1 | (6.3, 24.2) | 0.0 | (0.0, 4.8) | 0.0 | (0.0, 30.8) |
All agesc | |||||||||
Neff 1967a | 6,239,000 | 54 | 0 | 8.6 | (6.5, 11.3) | 0.0 | (0.0, 0.6) | 0.0 | (0.0, 6.6) |
Neff 1967b | 298,000 | 24 | 0 | 80.5 | (51.6, 120) | 0.0 | (0.0, 12.4) | 0.0 | (0.0, 14.2) |
Lane 1969 | 5,594,000 | 58 | 0 | 10.4 | (7.9, 13.4) | 0.0 | (0.0, 0.7) | 0.0 | (0.0, 6.2) |
Lane 1970 | 596,000 | 25 | 0 | 41.9 | (27.1, 61.9) | 0.0 | (0.0, 6.2) | 0.0 | (0.0, 13.7) |
Mellin 1970 | 109,000 | 5 | 0 | 45.9 | (14.9, 107) | 0.0 | (0.0, 33.8) | 0.0 | (0.0, 52.2) |
Ratner 1970 | 369,546 | 3 | 0 | 8.1 | (1.7, 23.7) | 0.0 | (0.0, 10.0) | 0.0 | (0.0, 70.8) |
Neff 1972 | 549 | 0 | 0 | 0.0 | (0.0, 6697) | 0.0 | (0.0, 6697) | n/a | n/a |
Summary | 13,206,095 | 169 | 0 | 12.8 | (10.9, 14.9) | 0.0 | (0.0, 0.3) | 0.0 | (0.0, 2.2) |