Odds ratios for incompleteness of excision compared with the status of follow up cytology in loop biopsies, CIN3
| Incompleteness of excision | Odds ratio | Confidence interval | p Value |
|---|---|---|---|
| Confidence limits used: *Cornfield 95% confidence limits; **Exact 95% confidence limits. CIN, cervical intraepithelial neoplasia. | |||
| Residual lesion | |||
| Ectocervical margin | 6.60 | 1.25 < OR < 42.99** | 0.004 |
| Endocervical margin | 1.48 | 0.03 < OR < 18.65** | NS |
| Ecto- and endocervical margins | 8.69 | 0.69 < OR < 77.97** | 0.006 |
| Glands | 4.49 | 0.59 < OR < 33.92** | 0.05 |
| Deep margin | 33.67 | 3.95 < OR < 268.80** | 0.00000000 |
| Equivocal | 20.72 | 4.17 < OR < 130.95** | 0.00000001 |
| Recurrent lesion | |||
| Ectocervical margin | 0.69 | 0.20 < OR < 2.18* | NS |
| Endocervical margin | 2.32 | 1.04 < OR < 5.12* | 0.02 |
| Ecto- and endocervical margins | 2.83 | 0.87 < OR < 8.68* | 0.04 |
| Glands | 1.17 | 0.41 < OR < 3.17* | NS |
| Deep margin | 8.78 | 2.63 < OR < 28.61* | 0.000003 |
| Equivocal | 3.15 | 1.14 < OR < 8.44* | 0.009 |
| Persistent lesion | |||
| Ectocervical margin | 3.96 | 0.52 < OR < 29.90** | NS |
| Endocervical margin | 4.44 | 0.58 < OR < 33.55** | 0.049 |
| Ecto- and endocervical margins | 4.34 | 0.08 < OR < 55.62** | NS |
| Glands | 5.99 | 0.99 < OR < 41.36** | 0.009 |
| Deep margin | 22.44 | 1.68 < OR < 209.52** | 0.000004 |
| Equivocal | 20.72 | 4.17 < OR < 130.95** | 0.00000001 |