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Table 1 Demographics of patients with borderline ovarian tumors

From: Staging procedures fail to benefit women with borderline ovarian tumours who want to preserve fertility: a retrospective analysis of 448 cases

  Non-staging surgery Staging surgery P Value
Total 330 118  
Age (y, mean ± Std) 36.75 ± 14.35 38.03 ± 12.49 0.363
Time of operation(h, mean) 127.50 255.00 < 0.001
Blood Loss (ml, median) 80 400 < 0.001
Length of stay (d, median) 6 8 < 0.001
FIGO Stage
 I 287 (87%) 60 (50.8%) < 0.001
 II 8 (2.40%) 12 (10.2%)  
 III 32 (9.7%) 42 (35.6%)  
 IV 3 (0.9%) 4 (3.4%)  
Histology    0.038
 Serous 177 (53.6%) 81 (68.6%)  
 Mucinous 119 (36.1%) 31 (26.3%)  
 Endometrioid 7 (2.1%) 1 (0.8%)  
 Serous and Mucinous 27 (8.2%) 5 (4.2%)  
Lesion lateral    < 0.001
 Unilateral 277 (83.9%) 75 (63.6%)  
 Bilateral 53 (16.1%) 43 (36.4%)  
Micropapillary
 Yes 45 (13.6%) 36 (30.5%) < 0.001
 No 285 (86.4%) 82 (69.5%)  
Microinvasion    < 0.001
 Yes 31 (9.4%) 57 (48.3%)  
 No 299 (90.6%) 61 (51.7%)  
Carcinogenesis
 Yes 14 (4.2%) 11 (9.3%) 0.058
 No 316 (95.8%) 107 (90.7%)  
Surgical Approach    < 0.001
 Laparotomy 192 (58.2%) 106 (89.8%)  
 Laparoscopy 138 (41.8%) 12 (10.2%)  
Ascites/Cytologic washings    0.012
 Positive 14 (4.2%) 13 (11.0%)  
 Negative 316 (95.8%) 105 (89.0%)  
Lymph node involvement    NA
 Yes NA 21 (18.6%)  
 No NA 92 (81.4%)  
Appendix metastasis
 Yes 6 (54.5%) 5 (45.5%) 0.05
 No 113 (81.3%) 26 (18.7%)  
Omentum metastasis    NA
 Yes NA 27 (23.1%)  
 No NA 90 (76.9%)  
Adjuvant chemotherapy    < 0.001
 Yes 54 (16.4%) 67 (56.8%)  
 No 276 (83.6%) 51 (43.2%)  
Recurrence    0.007
 Yes 30 (9.1%) 22 (18.6%)  
 No 300 (90.9%) 96 (81.4%)  
Fertility-sparing surgery    < 0.001
 Yes 240 (72.7%) 30 (25.4%)  
 No 90 (27.3%) 88 (74.6%)  
Achieving pregnancy    0.552
 Yes 79 (35.7%) 13 (41.9%)  
 No 142 (64.3%) 18 (58.1%)  
  1. Data were recorded as number (%), mean (±SD), or median (range)
  2. Abbreviations: y Years, h Hours, d Days