The probability that a woman developing postcoital bleeding in the community has cervical cancer.
| Age (years) | Annual cumulative incidence of postcoital bleeding per 100 women31 | Women with cervical cancer who present with postcoital bleeding (%) | Annual incidence of cervical cancer in England per 100 000 women67 | Probability that a woman developing postcoital bleeding in the community has cervical cancer |
|---|---|---|---|---|
| 20–24 | 12.6 | 11 | 2.6 | 1 in 44 000 |
| 25–34 | 7.2 | 11 | 11.7 | 1 in 5600 |
| 35–44 | 4.8 | 11 | 15.8 | 1 in 2800 |
| 45–54 | 3.4 | 11 | 12.7 | 1 in 2400 |