Table 2 Comparisons of clinicopathological features between lynch and sporadic CRC.

From: Comparisons of screening strategies for identifying Lynch syndrome among patients with MLH1-deficient colorectal cancer

Factors

 

Lynch (n = 23)

Sporadic (n = 86)

P value

Age

Mean

46.8

55.8

0.001

Sex

   

0.755

 

Female

11 (47.8)

38 (44.2)

 
 

Male

12 (52.2)

48 (55.8)

 

Sideness

   

0.993

 

Left

8 (34.8)

30 (34.9)

 
 

Right

15 (65.2)

56 (65.1)

 

Mucinous

   

0.019

 

Yes

4 (17.4)

38 (44.2)

 
 

No

19 (82.6)

48 (55.8)

 

BRAF mutation

   

0.193

 

Mutant-type

0 (0.0)

6 (7.0)

 
 

Wild-type

23 (100.0)

80 (93.0)

 

MLH1 methylation

   

<0.001

 

Methylated

1 (4.3)

39 (45.3)

 
 

Nonmethylated

22 (95.7)

47 (54.7)

 

Revised Bethesda Criteria

    
 

Met

20 (87.0)

36 (41.9)

<0.001

 

Unmet

3 (13.0)

50 (58.1)

 

History of polyps

   

0.484

 

Yes

9 (39.1)

27 (31.4)

 
 

No

14 (60.9)

59 (68.6)

 

Cancer history of FDR

   

<0.001

 

Yes

15 (65.2)

20 (23.3)

 
 

No

8 (34.8)

66 (76.7)

 
  1. FDR first-degree relatives.