Table 1 Age among women whose first attendance to colposcopy resulted in excisional treatment. Comparison of cohort and case–control data
Age at treatment | Case–control study | Treated at first colposcopy in cohort among those included in the case–control study | Cohort study | |||
|---|---|---|---|---|---|---|
Treated at first colposcopy | Treated at first colposcopy | |||||
N | % | N | % | N | % | |
<20 | 20 | 2.2 | 18 | 2.0 | 167 | 1.6 |
20–24 | 286 | 32.0 | 286 | 32.0 | 2355 | 22.0 |
25–29 | 342 | 38.3 | 340 | 38.0 | 3417 | 31.9 |
30–34 | 181 | 20.2 | 191 | 21.4 | 2907 | 27.1 |
35–39 | 65 | 7.3 | 59 | 6.6 | 1865 | 17.4 |
Total | 894 | 100 % | 894 | 100 % | 10711 | 100 % |