Table 2.
Patients' characteristics broken down by women with cervical intraepithelial neoplasia (CIN) and controls.
| Characteristics | Controls | CIN | P | OR (95% CI) |
|---|---|---|---|---|
| Total number | 206 | 616 | — | |
| Histology | — | |||
| CIN 1 | — | 206 (33.4%) | ||
| CIN 2 | — | 205 (33.3%) | ||
| CIN 3 | — | 205 (33.3%) | ||
| Smoking | 0.0001a | 2.6 (1.7–3.9) | ||
| No | 70 (64.2%) | 225 (41.2%) | ||
| Yes | 39 (35.8%) | 321 (58.8%) | ||
| HPV high-risk infection | — | |||
| Negative | — | 61 (14.5%) | ||
| Positive | — | 361 (85.5%) |
aStatistical analysis by chi-square test.
CIN: cervical intraepithelial neoplasia.
HPV: human papillomavirus.
OR (95% CI): odds ratio (95% confidence interval).