EGFR突变亚型

青年组(n = 33)

老年组(n = 44)

χ²

P

18

0 (0.0%)

2 (4.5%)

0.504^a

19

14 (42.4%)

9 (20.5%)

4.345

0.037^b

20

1 (3.0%)

1 (2.3%)

>0.050^a

21

15 (45.5%)

28 (63.6%)

2.528

0.112^b

18, 20

1 (3.0%)

2 (4.5%)

>0.050^a

19, 20

0 (0.0%)

2 (4.5%)

0.504^a

21, 20

2 (6.1%)

0 (0.0%)

0.180^a