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Table 1 Baseline characteristics for training and test sets

From: Discovery and validation of methylation signatures in blood-based circulating tumor cell-free DNA in early detection of colorectal carcinoma: a case–control study

 

Training set

Test set

Colorectal carcinoma

(n = 149)

Healthy control

(n = 149)

P

Colorectal carcinoma

(n = 67)

Healthy control

(n = 74)

P

Age, years

 Mean ± SD

57.5 ± 9.8

56.5 ± 5.6

0.26

58.1 ± 10.5

56.2 ± 4.9

0.18

Sex, n (%)

  

0.02

  

0.30

 Male

100 (67)

80 (54)

 

43 (64)

41 (55)

 

 Female

49 (33)

69 (46)

 

24 (36)

33 (45)

 

TNM stage (%)

 I

34 (23)

  

17 (25)

  

 II

54 (36)

  

25 (37)

  

 III

35 (23)

  

15 (22)

  

 IV

26 (17)

  

10 (15)