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Table 1 Clinicopathologic parameters of involved NSCLC patients

From: Clinical significance of PD-L1 expression in serum-derived exosomes in NSCLC patients

Characteristics N (%)
Age (years)
 ≤ 60 38 (44.71)
 > 60 47 (55.29)
Gender
 Male 46 (54.12)
 Female 39 (45.88)
Smoking status
 Smoker 26 (30.59)
 Non-smoker 59 (69.41)
Histology
 Squamous carcinoma 12 (14.12)
 Adenocarcinoma 73 (85.88)
TNM stage
 I–IIIA 65 (76.47)
 IIIB–IV 20 (23.53)
Tumor size (cm)
 ≤ 2.5 43 (50.59)
 > 2.5 42 (49.41)
Lymph node status
 N0 53 (62.35)
 N1–3 32 (37.65)
Distant metastasis
 M0 73 (85.88)
 M1 12 (14.12)