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Table 1 Summary of clinical attributes and PD-L1 Expression in SCLC

From: Tumor and host characteristics of small cell lung cancer (SCLC) in U.S. community oncology practice

Characteristic Cohort PD-L1 (<1%) PD-L1 (≥1%) Frequency in PD-L1 ≥1% Fisher (pV)
Smoking status EVER 70 13 15.7%  
  NEVER 4 0 0.0% 1.00
Sex Male 40 6 13.0%  
  Female 34 7 17.1% 0.765
ECOG 0-1 49 7 12.5%  
  2-3 21 6 22.2% 0.335
Age <70 47 5 10%  
  ≥70 27 8 23% 0.126
Autoimmune Disorders Present 4 3 42.9%  
  Absent 68 9 11.7% 0.057
Site of biopsy for PDL1 samples* Primary 37 6 14.0%  
  Metastatic 36 7 16.3%  
  Primary/Metastatic 1 0 0.0% 1.000
H&E – Tumor Tissue Inflammation* Absent 20 2 9.1%  
  Present 30 6 16.7% 0.6971
H&E – Tumor Tissue Necrosis Absent 31 3 8.8%  
  Present 19 5 20.8% 0.2254
H&E-% Intra-Tumoral Inflammatory Infiltrate* <10% 41 1 2.4%  
  ≥10% 30 10 33.3% 0.003