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Table 1 Baseline characteristics of 98 advanced NSCLC patients

From: Smoking history influences the prognostic value of peripheral naïve CD4+ T cells in advanced non-small cell lung cancer

Characteristic N (%)
Age (years)
 ≥ 60 56 (57.1%)
 < 60 42 (42.9%)
Gender
 Male 63 (64.3%)
 Female 35 (35.7%)
Performance status
 0 26 (26.5%)
 1–2 72 (73.5%)
Smoking status
 Ever smoker 55 (56.1%)
 Never smoker 43 (43.9%)
cStage
 IV 71 (72.4%)
 III 27 (27.6%)
Histology
 AD 50 (51.0%)
 Non-AD 48 (49.0%)
Tumor differentiation
 Poor 36 (36.7%)
 Moderate 51 (52.0%)
 Well 4 (4.1%)
 None 7 (7.1%)