Table 6

Mutation analysis

total

%

SMPC(+) cases

%

SMPC(-) cases

%

P value


No.

33

19

14

EGFR mutation

Negative

13

39

5

26

8

57

0.076*

Positive

20

61

14

74

6

43

ex19

7

35§

5

36§

2

33§

0.664*

ex21

13

65§

9

64§

4

67§

KRAS mutation

Negative

33

100

19

100

14

100

-

Positive

0

0

0

0


No., number of patients; EGFR, epidermal growth factor receptor; SMPC, stromal micropapillary component

* Fisher's exact probability test

§ Rate of positive cases at ex19 and 21 in EGFR mutation positive cases, respectively.

Ohe et al. Diagnostic Pathology 2012 7:3   doi:10.1186/1746-1596-7-3

Open Data