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Table 2 Predictors of progression-free survival in univariate and multivariate survival analysis

From: Comparative study of endometrioid borderline ovarian tumor with and without endometriosis

Characteristics   n P(univariate analysis) P(multivariate analysis) P(stratified analysis)
Age < 50 years 41(78.8%) 0.031 1.000 0.733
≥50 years 11(21.2%)   
Nulliparous No 28(53.8%) 0.548 0.045
Yes 24(46.2%)    0.315
Gravidity ≤2 36(70.6%) 0.746 0.492
> 2 15(29.4%)    0.536
Menopause No 40(76.9%) 0.023 0.983 0.834
Yes 12(23.1%)   
CA125 < 35 U/ml 15(31.3%) 0.893 0.336
≥35 U/ml 33(68.7%)    0.103
CA125 < 140 U/ml 33(68.7%) 0.019 0.344 0.301
≥140 U/ml 15(31.3%)    0.045
Maximal tumor diameter < 10 cm 40(80.0%) 0.040 0.265 0.292
≥10 cm 10(20.0%)    0.077
Surgical approach Laparoscopy 22(42.3%) 0.890 0.480
Laparotomy 30(57.7%)    0.120
Comprehensive staging surgery No 23(44.2%)    0.824
Yes 29(55.8%) 0.586 0.108
Fertility sparing surgery No 27(51.9%) 0.697 0.019
Yes 25(48.1%)    0.272
Cyst rupture No 12(24.0%) 0.055
Yes 38(76.0%)    0.517
FIGO stage I 49(94.2%) 0.651 0.282
II、III、IV 3(5.8%)   
Chemotherapy after surgery No 40(76.9%) 0.387 0.851
Yes 12(23.1%)    0.441
Endometrial pathology Without EIN/EC 33(63.5%) 0.830 0.122
EIN 8(15.4%)   
EC 11(21.2%)    0.371
Tumor side Unilateral 47(90.4%) 0.076 0.121
Bilateral 5(9.6%)   
Endometriosis No 33(63.5%) 0.315
Yes 19(36.5%)   
  1. EC endometrial cancer, EIN endometrial intraepithelial neoplasia