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Table 2 Univariate and logistic regression analysis of factors related recurrence after USO for unilateral ovarian endometrioma

From: Contralateral ovarian endometrioma recurrence after unilateral salpingo-oophorectomy

   univariate analysis logitic regression analysis
recurrence(+) recurrence(−) P value P value OR (95%CI)
N 8 42    
Age at the time of operation 41.0 ± 2.9 (36–44) 41.5 ± 2.2 (36–44) NS   
Gravity 0.63 ± 0.74 (0–2) 0.90 ± 0.97 (0–3) NS   
Parity 0.38 ± 0.52 (0–1) 0.73 ± 0.84 (0–3) NS   
Right endometrioma 5 (62.5%) 20 (47.6%)    
Left endometrioma 3 (37.5%) 22 (52.4%) NS   
Diameter of largest cyst (cm) 4.75 ± 1.16 (3–7) 5.81 ± 1.99 (2–10) NS NS  
Multilocular cyst 1 (14.3%) 8 (19.1%) NS   
Leiomyoma 4 (50.0%) 18 (42.9%) NS   
Adenomyosis 1 (14.3%) 7 (16.7%) NS   
Dysmenorrhea 5 (62.5%) 24 (58.5%) NS   
Infertility 2 (25.0%) 2 (5.1%) NS   
concurrent hysterectomy 0 (0.0%) 2 (4.8%) NS   
r-ASRM score 48.3 ± 24.8 (26–90) 56.8 ± 29.2 (21–126) NS NS  
Adhesion score in the ipsilateral side 8.0 ± 26.8 (4–24) 12.1 ± 8.0 (0–32) NS   
Adhesion score in the contralateral side 4.0 ± 2.1 (0–8) 5.4 ± 9.0 (0–32) NS   
Adhesion score in the ipsilateral side ≥4 7 (87.5%) 38 (90.5%) NS   
Adhesion score in the ipsilateral side ≥16 1 (12.5%) 20 (47.6%) NS NS  
Adhesion score in the contralateral side ≥4 7 (87.5%) 14 (33.3%) P = 0.0067 P = 0.020 19.48 (1.59–237.72)
Adhesion score in the contralateral side ≥16 0 (0.0%) 5 (11.9%) NS   
Pouch of Douglas obliteration 4 (50.0%) 29 (69.0%) NS   
Postoperative follow-up period(month) 54.2 ± 11.2 (41–73) 44.5 ± 12.7 (15–69) P = 0.0470   
Postoperative hormonal therapy 1 (12.5%) 9 (21.4%) NS   
Oral contraceptives 0 (0.0%) 3 (7.1%) NS   
Dienogest 1 (12.5%) 6 (14.3%) NS   
Postoperative fertility treatment 1 (12.5%) 1 (2.4%) NS   
Postoperative pregnancy 0 (0.0%) 0 (0.0%) NS   
Postoperative parturition 0 (0.0%) 0 (0.0%) NS