Skip to main content

Table 1 Demographic characteristics of the study population (n = 385)

From: Programmed death-ligand 1 expression associated with molecular characteristics in surgically resected lung adenocarcinoma

  Number
Gender
 Male 198
 Female 187
Age  
 Range 28–79
 Median 59
 <60 207
 ≥60 178
Smoking status
 Never 235
 Former/current 150
Stage
 I 121
 II 79
 III 185
PD-L1 expression
 Yes 186
 No 199
Gene alteration
 EGFR 205
 ALK 18
 KRAS 16
 HER2 9
 ROS1 8
 PIK3CA 6
 RET 6
 BRAF 2
 NRAS 1
 Concurrent alteration 24
 Pan-negative 90
Adjuvant treatment
 Yes 269
 No 116