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Table 1 Patient characteristics by study group

From: PD-L1 expression and tumor mutational burden status for prediction of response to chemotherapy and targeted therapy in non-small cell lung cancer

Characteristic ADC (n = 136) SQCC (n = 51) P value
Age (years) 0.315
 Median 58 60  
 Range 29–82 30–80
Sex 0.055
 Male 86 63% 40 78%  
 Female 50 37% 11 22%
Smoking status 0.172
 Never smoker 109 80% 36 71%  
 Smoker 27 20% 15 29%
Pathologic stage 0.868
 IIIB 54 40% 21 41%  
 IV 82 60% 30 59%
Mutation status <0.0001
 EGFR mutant 58 43% 2 4%  
 KRAS mutant 17 12% 2 4%
 Other 61 45% 47 92%