Change in levels | Trade-off in a decreased degree of protection against cervical cancer (%; CI) |
---|---|
A protection duration of lifetime instead of 25 years | 10.7 (8.6 to 12.7) |
A risk of serious side-effects of 1/750,000 instead of 1/150,000 | 20.6 (15.9 to 25.3) |
A vaccination at age 14 years instead of 9 years | 10.1 (8.3 to 11.9) |