Table 2 BRE grade distribution in tumors of identical size and age groups of Saudi Arabian and Swiss breast cancer patients

From: Predominance of high-grade pathway in breast cancer development of Middle East women

 

Saudi

Swiss

P-value

 

BRE grade (%)

BRE grade (%)

 
 

N

1

2

3

N

1

2

3

 

Diameter (mm)

 0–10

8

0

63

38

129

45

37.2

18

0.0412

 11–20

42

10

31

60

706

35

43.6

22

<0.0001

 21–30

37

8

27

65

723

29

40.7

37

0.0019

 >30

41

2

32

66

587

16

42.4

42

0.0042

Age (years)

 ≤40

54

2

26

72

93

10

43

47

0.0085

 41–50

37

5

32

62

301

28.6

37

34

0.0011

 51–60

32

6

28

66

427

26

40

34

0.0009

 >60

38

13

34

53

1033

29.5

44

27

0.0016