Table 1 Clinicopathological parameters of included patients

Age(years)

0.428

≤ 65

91(57.6%)

41(63.1%)

18(50%)

32(56.1%)

>65

67(42.4%)

24(36.9%)

18(50%)

25(43.9%)

Gender

0.237

Male

123(77.8%)

54(83.1%)

28(77.8%)

40(70.2%)

Female

35(22.2%)

11(16.9%)

8(22.2%)

17(29.8%)

Smoking status(pack/year)

0.464

<30

69(43.7%)

28(43.1%)

13(36.1%)

28(49.1%)

≥ 30

89(56.3%)

37(56.9%

23(63.9%)

29(50.9%)

Maximum tumor diameter (cm)

0.672

≤ 3

60(37.95%)

27(41.5%)

12(33.3%)

21(36.8%)

3< d ≤ 5

60(37.95%)

21(32.3%)

14(38.9%)

25(43.9%)

5< d ≤ 7

20(12.7%)

7(10.8%)

6(16.7%)

7(12.3%)

>7

18(11.4%)

10(15.4%)

4(11.1%)

4(7%)

Histological type

0.421

Squamous

77(48.7%)

30(46.2%)

21(58.3%)

26(45.6%)

Adenocarcinoma

66(41.8%)

26(40%)

13(36.1%)

27(47.4%)

Others

15(9.5%)

9(13.8%

2(5.6%)

4(7%)

pN status

0.228

N0

89(56.3%)

32(49.2%)

26(72.2%)

31(54.4%)

N1

34(21.5%)

15(23.1%)

6(16.7%)

13(22.8%)

N2-N3

35(22.2%)

18(27.7%)

4(11.1%)

13(22.8%)

Location

0.027

Right lung

76(48.1%)

39(60%)

12(33.3%)

25(43.9%)

Left lung

82(51.9%)

26(40%)

24(66.7%)

32(56.1%)

Invasion

0.455

Yes

71(44.9%)

30(46.2%)

13(36.1%)

28(49.1%)

NO

87(55.1%)

35(53.8%)

23(63.9%)

29(50.9%)

Textin expression

0.943

High

86(54.4%)

36(55.4%)

20(55.6%)

30(52.6%)

Low

72(45.6%)

29(44.6%)

16(44.4%)

27(47.4%)

Ki-67

0.415

≤ 30

63(39.9%)

27(41.5%)

11(30.6%)

25(43.9%)

>30

95(60.1%)

38(58.5%)

25(69.4%)

32(56.1%)