Table 1 Resected nodal numbers and positive patient numbers in each nodal station for right lung cancer and left lung cancer

#1

1.723(0–29)

32(2.00%)

0.146(0–14)

0(0%)

< 0.001

#2_4

5.693(0–44)

120(7.48%)

0.878(0–46)

26(2.38%)

< 0.001

#3

0.622(0–13)

25(1.56%)

0.038(0–8)

1(0.09%)

< 0.001

#5_6

0.029(0–8)

0(0%)

3.799(0–21)

88(8.06%)

< 0.001

#7

5.931(0–40)

105(6.55%)

3.654(0–19)

56(5.13%)

0.149

#8

0.243(0–9)

1(0.06%)

0.266(0–10)

5(0.46%)

0.085

#9

0.761(0–19)

8(0.50%)

1.302(0–14)

18(1.65%)

0.005

#10

1.611(0–21)

58(3.62%)

2.119(0–15)

77(7.05%)

< 0.001

Other N1

7.174(0–42)

187(11.66%)

8.658(0–44)

174(15.93%)

0.002

N1

8.785(0–56)

203(12.66%)

10.777(0–58)

199(18.22%)

< 0.001

N2

15.001(0–92)

194(12.09%)

10.083(0–53)

144(13.19%)

0.435