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Stage distribution of invasive cervical cancer for all women in the CIN and comparison cohorts, by stage of cancer*
| Stage | No. in CIN cohort (%) | No. in comparison cohort (%) |
| I | 112 (77.2) | 34 (68.6) |
| II | 15 (10.3) | 9 (19.6) |
| III | 5 (3.5) | 0 (0) |
| IV | 3 (2.1) | 1 (2.0) |
| Unknown | 10 (6.9) | 5 (9.8) |
| Total | 145 (100) | 49 (100) |
All women in the cohorts who developed cancer were included in this analysis. CIN = cervical intraepithelial neoplasia.
