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Table 2 The surgico-pathological characters and treatment-related variables of EOC patients with or without EM

From: Endometriosis is the independent prognostic factor for survival in Chinese patients with epithelial ovarian carcinoma

 

NON-EAOC

EAOC

P

FIGO Stagea

  

<.0001*

 I

92 (39.15%)

49 (71.01%)

 

 II

32 (13.62%)

12 (17.39%)

 

 III

97 (41.28%)

7 (10.14%)

 

 IV

14 (5.96%)

1 (1.45%)

 

Early or late Stage

  

<.0001*

 I + II

124 (52.77%)

61 (88.41%)

 

 III + IV

111 (47.23%)

8 (11.59%)

 

Lymphadenectomy

  

0.0160*

 Yes

189 (80.43%)

64 (92.75%)

 

 No

46 (19.57%)

5 (7.25%)

 

Residual disease

  

0.0002*

 No or <1 cm

167 (71.06%)

64 (92.75%)

 

  > 1 cm

68 (28.94%)

5 (7.25%)

 

Metastasis of lymph node

  

0.0060*

 Yes

35 (14.89%)

5 (7.25%)

 

 No

154 (65.53%)

59 (85.51%)

 

 Not-dissected

46 (19.57%)

5 (7.25%)

 

Histotype

  

0.0041*

 Clear cell

81 (34.47%)

37 (53.62%)

 

 Endometrioid

154 (65.53%)

32 (46.38%)

 

Endometrial disorders

  

0.0808*

 Yes

45 (19.15%)

7 (10.14%)

 

 No

190 (80.85%)

62 (89.86%)

 

Endometrial cancer

  

0.051

 Yes

25 (23.8%)

2 (7.4%)

 

 No

211 (76.2%)

66 (92.6%)

 

Chemotherapy

  

0.6250

 Platinum-based

224 (95.32%)

67 (97.1%)

 

 Other regimen

3 (1.28%)

0 (0%)

 

 No chemotherapy

8 (3.4%)

2 (2.9%)

 

Chemo Cycles

6.36 ± 2.33

5.70 ± 2.05

0.039*

Chemo-resistance

  

0.0149*

 Yes

47 (20%)

5 (7.35%)

 

 No

188 (80%)

63 (92.65%)

 
  1. Abbreviation: EOC, epithelial ovarian carcinoma; FIGO, International Federation of Gynecology and Obstetrics; EM, endometriosis; EAOC, endometriosis-associated ovarian cancer
  2. *the difference reached statistical significance
  3. aaccording to the classification system of FIGO staging (2013 version)