Table 1 Demographic, tumour-related and operative characteristics of the entire patient cohort and further classified according to type I vs type II ovarian malignant disease

From: Role of histological type on surgical outcome and survival following radical primary tumour debulking of epithelial ovarian, fallopian tube and peritoneal cancers

  Type I, N =100 (%) Type II, N =532 (%) All patients, N =632 (%) P -value
Median age at primary diagnosis (years) 52 (15–86) 59 (21–92) 58 (15–92) <0.001
FIGO stage <0.001
 I 39 (39) 47 (9.2) 86 (14.3)  
 II 5 (5) 35 (6.8) 40 (6.7)  
 IIIa 2 (2) 7 (1.3) 355 (59.1)  
 IIIb 3 (3) 19 (3.5)   
 IIIc 27 (27) 297 (55.8)   
 IV 6 (6) 85 (16.6) 91 (15.1)  
Grading n.a.
 G1 53 (53) 3 (0.6) 56 (9)  
 G2 20 (21.5) 174 (32.9) 194 (31.2)  
 G3 17 (18.3) 350 (66.2) 367 (59)  
Histology n.a.
 Serous papillary 31 (31) 467 (87.8) 498 (78.8)  
 Clear cell 15 (15) 0 15 (2.4)  
 Mucinous 36 (36) 0 36 (5.7)  
 Mixed/undifferentiated 0 26 (4.9) 26 (4.1)  
 Transitional cell 10 (10) 0 10 (1.6)  
 Carcinosarcoma 0 6 (1.1) 6 (0.9)  
 Endometrioid 8 (8) 33 (6.2) 41 (6.5)  
N status <0.001
 N0 40 (41.2) 187 (35.3)   
 N1 28 (28) 260 (49.1)   
 Nx 29 (29) 83 (15.7)   
Distant metastases at primary diagnosis 6 (6) 93 (20)   0.009
Intraoperative ascites <0.001
 None 47 (47) 151 (28.7) 198 (31.8)  
 <500 ml 33 (33) 207 (39.3) 240 (38.5)  
 >500 ml 16 (16) 169 (32.1) 185 (29.7)  
Median preoperative CA125 (U ml−1) 93 (8–14 315) 438 (6–41 500) 323 (6–41 500) 0.001
Median operative time (minutes) 237 (34–457) 258 (38–592) 251 (34–592) 0.001
Postoperative tumour residuals <0.001
 None 85 (85) 342 (65.6) 427 (69.2)  
 <0.5 cm 6 (6) 71 (13.6) 77 (12.5)  
 0.5–1 cm 2 (2) 57 (10.9) 59 (9.6)  
 1–2 cm 0 12 (2.3) 12 (1.9)  
 >2 cm 3 (3) 39 (7.5) 42 (6.8)  
  1. Abbreviation: FIGO=International Federation of Gynecology and Obstetrics. Bold values are statistically significant, i.e. P<0.05.