Skip to main content

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)