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Table 2 Correlations of PD-L1 expression and clinicopathologic characteristics

From: Prognostic value of PD-L1 expression on tumor cells combined with CD8+ TIL density in patients with locally advanced non-small cell lung cancer treated with concurrent chemoradiotherapy

 Positive, n (%)Negative, n (%)p-value
Age
  ≤ 65 years8 (50)8 (50) 
  > 65 years8 (57)6 (43)0.834
Gender
 Female13 (52)12 (48) 
 Male4 (80)1 (20)0.513
Karnofsky performance status
 90–100%8 (80)2 (20) 
 70–80%8 (40)12 (60)0.023
UICC stage
 III15 (56)12 (44) 
 IV1 (33)2 (67)0.447
T category
 1–24 (67)2 (33) 
 3–412 (50)12 (50)0.073
N category
 0–12 (67)1 (33) 
 2–314 (52)13 (48)0.402
Histology
 Squamous cell carcinoma9 (60)6 (40) 
 Non- Squamous cell carcinoma7 (47)8 (53)0.864
Tobacco consumption (PY)
 05 (63)3 (38) 
 20–403 (38)5 (63) 
  > 408 (57)6 (43)0.105
Grading
 Moderately differentiated1 (50)1 (50) 
 Poorly differentiated14 (54)12 (46) 
 anaplastic1 (50)1 (50)0.223
CD8+ TILs density
  ≤ 40%5 (50)5 (50) 
  > 40%10 (59)7 (41)0.020