Table 2. Cervical cancers diagnosed among attenders.
| Person-years | Cancer casesa | Crude incidence (per 105 py) | Age-standardised incidenceb | |
|---|---|---|---|---|
| After non-normal cytology | 30 973 | 7 | 22.6 | 23.0 |
| After normal cytology | ||||
| Independently of time | 317 702 | 4 | 1.3 | 1.2 |
| Within 3.5 years after last normal cytology | 295 414 | 2 | 0.7 | 0.4 |
| Over 3.5 years after last normal cytology | 22 288 | 2 | 9.0 | 11.1 |
a
Cases with morphology specified as nonsquamous or staged as microinvasive excluded.
b
Standardised on the world population truncated 24–69 years, per 100 000 py.