Table 1 Clinical characteristics of the lung adenocarcinoma patients (TCGA)

N

267

268

T stage, n (%)

0.812

T1

92 (17.3%)

83 (15.6%)

T2

139 (26.1%)

150 (28.2%)

T3

25 (4.7%)

24 (4.5%)

T4

10 (1.9%)

9 (1.7%)

N stage, n (%)

0.053

N0

187 (36%)

161 (31%)

N1

42 (8.1%)

53 (10.2%)

N2

29 (5.6%)

45 (8.7%)

N3

1 (0.2%)

1 (0.2%)

M stage, n (%)

0.640

M0

177 (45.9%)

184 (47.7%)

M1

14 (3.6%)

11 (2.8%)

Pathologic stage, n (%)

0.080

Stage I

158 (30%)

136 (25.8%)

Stage II

59 (11.2%)

64 (12.1%)

Stage III

32 (6.1%)

52 (9.9%)

Stage IV

14 (2.7%)

12 (2.3%)

Smoker, n (%)

0.487

No

41 (7.9%)

34 (6.5%)

Yes

221 (42.4%)

225 (43.2%)

OS event, n (%)

0.187

Alive

179 (33.5%)

164 (30.7%)

Dead

88 (16.4%)

104 (19.4%)

Age, n (%)

0.929

<=65

129 (25%)

126 (24.4%)

> 65

130 (25.2%)

131 (25.4%)

Gender, n (%)

0.575

Female

139 (26%)

147 (27.5%)

Male

128 (23.9%)

121 (22.6%)

Age, meidan (IQR)

66 (59, 72)

66 (58, 72)

0.525