Table 1 The clinicopathologic characters of 1033 Chinese lung cancer patients.

From: Elderly male smokers with right lung tumors are viable candidates for KRAS mutation screening

 

Number

Percentage

Number

Percentage

Gender

 Male

597

57.79%

  

 Female

436

42.21%

  

Age

Female

 

Male

 

 <30

3

0.69%

1

0.17%

 31–40

13

2.98%

9

1.51%

 41–50

67

15.37%

59

9.88%

 51–60

145

33.26%

183

30.65%

 61–70

157

36.01%

242

40.54%

 >70

51

11.70%

103

17.25%

Site

 Left

171

39.22%

243

40.70%

 Right

252

57.80%

340

56.95%

 Bilateral

13

2.98%

14

2.35%

TNM stage

 Stage I

313

71.79%

359

60.13%

 Stage II

33

7.57%

81

13.57%

 Stage III

65

14.91%

133

22.29%

 Stage IV

25

5.73%

24

4.02%

Smoking

 Never smoker

403

92.43%

221

37.02%

 <100

2

0.46%

2

0.34%

 101–500

23

5.28%

139

23.28%

 501–1000

7

1.61%

189

31.66%

 >1000

1

0.23%

46

7.71%

Tumor size (mm)

 1–10

78

17.89%

79

13.23%

 11–20

138

31.65%

155

25.96%

 21–30

122

27.98%

160

26.80%

 31–40

60

13.76%

88

14.74%

 41–50

13

2.98%

51

8.54%

 51–60

18

4.13%

33

5.53%

 61–70

2

0.46%

14

2.35%

 71–80

1

0.23%

8

1.34%

 81–90

1

0.23%

3

0.50%

 91–100

2

0.46%

4

0.67%

 >100

1

0.23%

2

0.34%

Visceral pleura invasion

 Yes

170

38.99%

165

27.64%

 No

266

61.01%

432

72.36%