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Table 1 Clinicopathological characteristics of patients with epithelial ovarian cancer and their correlations with SLP-2 expression

From: Stomatin-like protein 2 is overexpressed in epithelial ovarian cancer and predicts poor patient survival

Characteristics Number of cases (%) SLP-2 expression (%) P value
Low or no expression High expression  
Age (years)     0.433
<45 49 (35) 11 (22.4) 38 (77.6)  
≥45 91 (65) 26 (29.7) 65 (70.3)  
CA125 level (before surgery)     0.067
<500U/ml 67 (47.9) 23 (34.3) 44 (65.7)  
≥500U/ml 73 (52.1) 15 (20.5) 58 (79.5)  
Tumour size     0.501
<10 cm 58 (41.4) 14 (24.1) 44 (75.8)  
≥10 cm 82 (58.6) 24 (29.3) 58 (70.7)  
The volume of ascites     0.014
<1000 ml 100 (71.4) 33 (33.0) 67 (67.0)  
≥1000 ml 40 (28.6) 5 (12.5) 35 (87.5)  
Peritoneal cytology     0.001
Positive 68 (48.6) 10 (14.7) 58 (85.3)  
Negative 72 (51.4) 28 (38.9) 44 (61.1)  
Pathological type     0.064
Serous 80 (57.1) 20 (25.0) 60 (75.0)  
Mucinous 14 (10.0) 8 (57.1) 6 (42.9)  
Poorly differentiated 36 (25.7) 8 (22.2) 28 (77.8)  
Othersa 10 (7.1) 2 (20.0) 8 (80.0)  
Grade of differentiation     0.072
G1 59 (42.1) 11 (18.6) 48 (81.4)  
G2 46 (32.9) 13 (28.3) 33 (71.7)  
G3 18 (12.9) 9 (50.0) 9 (50.0)  
Unknown 17 (12.1) 5 (29.4) 12 (70.6)  
FIGO stage     0.001
I 30 (21.4) 17 (56.7) 13 (43.3)  
II+ III + IV 110 (78.6) 21 (19.1) 89 (88.9)  
Lymph node metastasis     0.688
Positive 21 (15.0) 7 (33.3) 14 (66.7)  
Negative 23 (16.4) 5 (21.7) 18 (78.3)  
Not do RPLNDb 96 (68.6) 26 (27.1) 70 (72.9)  
Cytoreductive surgeryc     0.185
Optimal 107 (76.4) 32 (29.9) 75 (70.1)  
Suboptimal 33 (23.6) 6 (18.2) 27 (81.8)  
  1. aEndometrioid adenocarcinoma, two cases; clear cell carcinoma, three cases; mixed epithelial carcinoma, five cases
  2. bRPLND, retroperitoneal lymph node dissection, including unilateral or bilateral pelvic lymphadenectomy and /or paraortic lymphadenectomy
  3. cCytoreductive surgery: Optimal, the diameter of the largest residual lesions was < 2 cm;Suboptimal, the diameter of the largest residual lesions was ≥ 2 cm