Univariate and multivariate analysis of recurrence
| Univariate | Multivariate | |||
| HR (95% CI) | P value | HR (95% CI) | P value | |
| Type of tumor niLGSC vs APST | 3 (0.8 to 10) | 0.09 | 0.9 (0.2 to 3.5) | 0.88 |
| Pattern of growth Exophytic vs endophytic | 4.6 (1.4 to 16) | 0.015 | 2.5 (0.6 to 10.2) | 0.2 |
| Microinvasion Yes vs no | 8.5 (2.6 to 28) | 0.0004 | 24 (4.5 to 128) | 0.0002 |
| Microinvasive carcinoma Yes vs no | 3.15 (0.4 to 25) | 0.27 | ||
| Implants Yes vs no | 5.1 (1.5 to 17.8) | 0.009 | ||
| Invasive implants Yes vs no | 18 (4.2 to 77) | < 0.0001 | 35 (4 to 260) | 0.0004 |
| Non-invasive implants Yes vs no | 3.7 (1.6 to 12.2) | 0.04 | 1.7 (0.4 to 8.2) | 0.5 |
| Lymph node involvement Yes vs no | 2.6 (0.2 to 25) | 0.4 | ||
APST, atypical proliferative serous tumors; niLGSC, non-invasive low-grade serous carcinoma.