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Table 1 The demographic and clinicopathological characteristics of patients with BOTs

From: Fertility-sparing surgery for young patients with borderline ovarian tumors (BOTs): single institution experience

  Totality (n, %) No recurrence (n, %) Recurrence (n, %) P value Recurrence interval (m, mean) P value Infertility (n, %) Pregnancy (n, %) P value
Total number 122 114 (93.4 %) 8 (6.6 %) N/A 25.9   11 (24.4 %) 34 (75.6 %)  
Age (y, mean ± SD) 30.2 ± 7.3 30.3 ± 7.3 29.1 ± 6.8 0.65 N/A   29.7 ± 4.4 27.6 ± 4.5 0.19
Parity          
 Multiparous 43 (35.2 %) N/A N/A N/A
 Nulliparous 79 (64.8 %)
Tumor marker CA125 (tested) 83         
 Normal 54 (65.1 %) 50 (92.6 %) 4 (7.4 %) 0.69 25.7 0.00 N/A   
 Elevated 29 (34.9 %) 26 (89.7 %) 3 (10.3 %) 22.4    
Lesion location          
 Inner-ovary 94 (77.0 %) 89 (94.7 %) 5 (5.3 %) 0.38 31.9 0.00 6 (18.8 %) 26 (81.2 %) 0.25
 Extra-ovary 28 (23.0 %) 25 (89.3 %) 3 (10.7 %) 22.1 5 (38.5 %) 8 (61.5 %)
Lesion size (cm ± SD) 10.5 ± 7.0 10.4 ± 7.0 12.0 ± 7.9 0.59 N/A   8.7 ± 4.7 10.1 ± 6.8 0.52
Lesion lateral          
 Unilateral 106 (86.9 %) 101 (95.3 %) 5 (4.7 %) 0.07 33.2 0.00 8 (22.9 %) 27 (77.1 %) 0.69
 Bilateral 16 (13.1 %) 13 (81.3 %) 3 (18.7 %) 23.0 3 (30.0 %) 7 (70.0 %)
FIGO stage          
 Stage I 111 (91.0 %) 104 (93.7 %) 7 (6.3 %) 0.54 30.4 N/A 8 (20.0 %) 32 (80.0 %) 0.09
 > = Stage II 11 (9.0 %) 10 (90.9 %) 1 (9.1 %) 26.0 3 (60.0 %) 2 (40.0 %)
Pathology types          
Endometriod 5 (4.1 %) 4 (80.0 %) 1 (20.0 %) 0.29 21.0 N/A 0 3 (100 %) 0.57
Serous and/or mucious 117 (95.9 %) 110 (94.0 %) 7 (6.0 %)   30.8   11 (26.2 %) 31 (73.8 %)  
 Serous 64 (52.5 %) 60 (93.8 %) 4 (6.2 %) 1.00 35.9 0.00 9 (32.1 %) 19 (67.9 %) 0.45
 Mucinous 51 (41.8 %) 48 (94.1 %) 3 (5.9 %) 18.5 2 (15.4 %) 11 (84.6 %)
 Serous and mucinous 2 (1.6 %) 2 0 N/A 0 1 N/A
  1. Abbreviations: BOT borderline ovarian tumor FIGO, the International Federation of Gynecology and Obstetrics, N/A not applicable