Table 1 Participant characteristics in model 1

From: Integrated extracellular microRNA profiling for ovarian cancer screening

Characteristics

Total (N = 3187)

Discovery set (N = 1539)

Validation set (N = 1648)

 

N

N

Mean

SD

N

Mean

SD

p

Ovarian carcinoma

333

160

  

160

   

   Age, years

  

56.8

11.5

 

57.1

11.6

0.97a

   Histopathological subtypes

       

0.29b

     Serous

182

90

  

92

   

     Clear cell

64

37

  

27

   

     Endometrioid

43

17

  

26

   

     Mucinous

14

6

  

8

   

     Other epithelial carcinoma

17

10

  

7

   

     Non-epithelial carcinoma

13

   

13

   

   Stage

       

0.97b

     I

82

39

  

43

   

     II

33

15

  

18

   

     III–IV

218

106

  

112

   

Borderline ovarian tumor

66

   

66

   

Benign ovarian tumor

29

   

29

   

Non-cancer cohort

2759

1379

  

1380

   

   Institute A

209

100

  

109

   

   Institute B

1581

792

  

789

   

   Institute C

969

487

  

482

   
  1. aStudent’s t-test
  2. bχ2 test
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