Clinical and pathological characteristics of stage I patients and univariate analysis for risk of recurrence
| All patients | HR | P value | |
| (n=131) | (95% CI) | ||
| Median age (range) | 54 (26–90) | 0.96 (0.91 to 1.0) | 0.15 |
| Stage, n (%) | |||
| IA | 83 (63.4) | IC vs IA/IB | 0.12 |
| IBI | 5 (3.8) | 2.5 (0.8 to 7.7) | |
| ICI | 26 (19.8) | ||
| IC2 | 11 (8.4) | ||
| IC3 | 6 (4.6) | ||
| Grade, n (%) | |||
| 1 | 80 (61.1) | 2 vs 1 | 0.04 |
| 2 | 51 (38.9) | 3.4 (1.03 to 11.4) | |
| Staging lymphadenectomy, n (%) | |||
| Complete staging | 34 (26.0) | 1.5 (0.4 to 5.4) | 0.58 |
| Incomplete staging | 97 (74.0) | ||
| Cytology, n,(%) | |||
| Negative | 69 (52.7) | 1.2 (0.05 to 31.7) | 0.91 |
| Positive | 5 (3.8) | ||
| Not performed | 57 (43.5) | ||
| p53, n (%) | |||
| Wild-type | 42 (32.1) | Abnormal vs wild-type | 0.57 |
| Overexpressed | 1 (0.8) | 1.9 (0.2 to 18.2) | |
| Null | 6 (4.6) | ||
| Unknown | 82 (62.6) | ||
| Adjuvant chemotherapy, n (%) | |||
| Yes | 30 (22.9) | 3.0 (0.93 to 2.3) | 0.07 |
| No | 101 (77.1) | ||
| Adjuvant radiation, n (%) | |||
| Yes | 2 (1.5) | 1.8 (0.1 to 35.3) | 0.69 |
| No | 129 (98.5) | ||
| Endometriosis, n (%) | |||
| Yes | 92 (70.2) | 1.4 (0.3 to 6.4) | 0.69 |
| No | 28 (21.4) | ||
| Unknown | 11 (8.4) | ||
| Menopausal status, n (%) | |||
| Pre- | 20 (15.3) | Ref | 0.31 |
| Peri- | 33 (25.2) | 0.5 (0.1 to 2.0) | 0.12 |
| Post- | 78 (59.5) | 0.4 (0.1 to 1.3) | |
| Fertility sparing procedure n(%) | |||
| Yes | 12 (9.2) | 0.8 (0.1 to 6.3) | 0.84 |
| No | 119 (90.8) | ||