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Table 6 Mutation analysis

From: Stromal micropapillary component as a novel unfavorable prognostic factor of lung adenocarcinoma

 

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

  
  1. No., number of patients; EGFR, epidermal growth factor receptor; SMPC, stromal micropapillary component
  2. * Fisher's exact probability test
  3. § Rate of positive cases at ex19 and 21 in EGFR mutation positive cases, respectively.
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Diagnostic Pathology

ISSN: 1746-1596

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