Table 1

Demographic, clinical and mutation characteristics of the sample

Characteristic

Category

N

(%)


Age at CRC diagnosis

Under 30 yrs old

13

14.8

31-50 yrs old

54

61.4

Over 50 yrs old

21

23.9

Sex

Female

58

65.9

Male

30

34.1

Ethnicity (self-reported)

White

55

62.5

"Pardo"*

31

35.2

Non-available

2

2.3

Place of Birth

Southeast

67

76.1

Northeast

12

13.6

South

3

3.4

North

2

2.3

Midwest

2

2,3

Colorectal tumor

Separate

78

88.6

Synchronous

9

10.2

Metachronous

1

1.1

Extracolonic tumors in proband

Endometrial

6

6.8

Breast

3

3.4

Stomach

2

2.3

Small intestine

2

2.3

Hepatic

1

1.1

Pelvis renal and ureter

1

1.1

Ovary

1

1.1

Classification according to family history

Bethesda Criteria

50

56.8

Amsterdam Criteria

38

43.2

Patogenic mutations

None

57

64.8

MLH1

15

17.0

MSH2

16

18.2


*Those who declare with admixture or multiethnic origin

Monteiro Santos et al. BMC Cancer 2012 12:64   doi:10.1186/1471-2407-12-64

Open Data