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Table 3 Clinical characteristics comparison between PD-L1 positive and negative expression in NSCLC patients

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

Variables PD-L1 positive (n = 186) PD-L1 negative (n = 199) P
Gender 0.07
 Male 87 111  
 Female 99 88  
Age 0.68
 <60 102 105  
 ≥60 84 94  
Smoking status 0.12
 Never 121 114  
 Former/current 65 85  
Pathologic stage 0.09
 I + II 105 95  
 III 81 104  
EGFR 0.008
 Yes 112 93  
 No 74 106  
ALK 0.53
 Yes 10 8  
 No 176 191  
KRAS 0.16
 Yes 5 11  
 No 181 188  
HER2 0.44
 Yes 6 3  
 No 180 196  
ROS1 0.65
 Yes 5 3  
 No 181 196  
PIK3CA 0.74
 Yes 2 4  
 No 184 195  
RET 0.74
 Yes 3 3  
 No 183 196  
BRAF 0.45
 Yes 2 0  
 No 184 199  
NRAS 0.97
 Yes 0 1  
 No 186 198  
Concurrent alteration 0.01
 Yes 18 6  
 No 168 193  
Pan-negative <0.01
 Yes 23 67  
 No 163 132