Table 4.
Yield of CIN2+ lesions in the intervention and control groups
| Directly mailed group Invited = 3265 |
Opt-in group Invited = 3264 |
Control group Invited = 3262 | |||||
|---|---|---|---|---|---|---|---|
| Self-sampling | Cytology | Total | Self-sampling | Cytology | Total | Cytology | |
| n | n | n | n | n | n | n | |
| Number screened | 635 | 607 | 1242 | 270 | 739 | 1009 | 823 |
| CIN2+ detected | 13 | 6 | 19 | 5 | 8 | 13 | 10a |
| CIN2+ per 1000 invited (95% CI) | 4.0 (2.1–6.8) | 1.8 (0.7–4.0) | 5.8 (3.5–9.1) | 1.5 (0.5–3.6) | 2.5 (1.1–4.8) | 4.0 (2.1–6.8) | 3.1 (1.5–5.6) |
| CIN2+ per 1000 screened (95% CI) | 20.5 (10.9–34.8) | 9.9 (3.6–21.3) | 15.3 (9.2–23.8) | 18.5 (6.0–42.7) | 10.8 (4.7–21.2) | 12.9 (6.9–21.9) | 12.2 (5.8–22.2) |
CIN2+: CIN2, CIN3/AIS and carcinoma. aOne case of squamous cell carcinoma