Table 1 The clinical and descriptive semantic characteristics of patients with non-small cell lung cancer

Age(y) (median) (rang)

64 (29–87)

64 (38–87)

66 (29–83)

0.932^a

Sex

0.091^a

 Male

216 (69.0%)

186 (67.4%)

30 (81.8%)

 Female

97 (31.0%)

90 (32.6%)

7 (18.9%)

LD of cervical LNs(mm)

21.8 ± 0.6

22.9 ± 0.6

13.8 ± 0.9

 < 0.001^b*

SD of cervical LNs(mm)

13.8 ± 0.4

14.5 ± 0.4

8.3 ± 1.5

 < 0.001^b*

Shape

 < 0.001^a*

 Irregular

190 (60.7%)

178 (64.5%)

12 (32.4%)

 Regular

123 (39.3%)

98 (35.5%)

25 (67.6%)

Corticomedullary boundary

 < 0.001^a*

 Unclear

307 (98.1%)

274 (99.3%)

33 (89.2%)

 Clear

6 (1.9%)

2 (0.7%)

4 (10.8%)

Boundary

0.237^a

 Unclear

103 (32.9%)

94 (34.1%)

9 (24.3%)

 Clear

210 (67.1%)

182 (65.9%)

28 (75.7%)

Calcification

0.405^a

 Negative

245 (78.3%)

218 (79.0%)

27 (73.0%)

 Positive

68 (21.7%)

58 (21.0%)

10 (27.0%)

Liquidation

0.495^a

 Negative

282 (90.1%)

247 (89.5%)

35 (94.6%)

 Positive

31 (9.9%)

29 (10.5%)

2 (5.4%)

Lymph node site

0.370^a

 Left

156 (49.8%)

135 (48.9%)

21 (56.8%)

 Right

157 (50.2%)

141 (51.1%)

16 (43.2%)

Lymph node location^c

0.054^a

 I

3 (1.0%)

3 (1.1%)

0 (0.0%)

 II

11 (3.5%)

9 (3.3%)

2 (5.4%)

 III

23 (7.3%)

19 (6.9%)

4 (10.8%)

 IV

157 (50.2%)

139 (50.4%)

18 (48.7%)

 V

116 (37.1%)

105 (38.0%)

11 (29.7%)

 VI

1 (0.3%)

0 (0.0%)

1 (2.7%)

 VII

2 (0.6%)

1 (0.3%)

1 (2.7%)