Table 1.

Patient characteristics, biopsy techniques, histology, PD-L1 expression and neoadjuvant therapeutic regimen

	Study cohort
Patient characteristics	n = 113
Male (%, n)	60% (71)
Age	65 ± 9
Biopsy techniques	n = 146
Brush cytology (%, n)	21.2% (31)
Endobronchial biopsy (%, n)	19.9% (29)
EBUS-TBNA (%, n)	8.2% (12)
TBFB (%, n)	22.6% (33)
CT-guided biopsy (%, n)	28.1% (41)
Histology derived from biopsy	n = 114
Adenocarcinoma (%, n)	60.5% (69)
Squamous cell carcinoma (%, n)	31.6% (36)
Adenosquamous carcinoma (%, n)	3.5% (4)
Large cell/neuroendocrine carcinoma (%, n)	0.9% (1)
Carcinoid	0.9% (1)
NSCLC NOS	2.6% (3)
PD-L1 expression on tumour cells derived from biopsies specimens	n = 114
Δ TPS (%)	27.9 ± 32.6%
TPS ≥ 50% (%, n)	68.4% (78)
TPS < 50% (%, n)	31.6% (36)
Neoadjuvant therapeutic regimen	n = 27
Chemotherapy alone	74.1% (20)
Chemotherapy and immunotherapy	14.8% (4)
Chemotherapy and radiation therapy	11.1% (3)