Table 1 Clinical characteristics of 624 non-squamous NSCLC patients receiving R-EBUS.

Variable	Subsets	Number	(%)
Age, years	Mean	65.2
Age, years	Range	18–95
Sex	Male	292	(46.8)
Sex	Female	332	(53.2)
Smoking history	Never	425	(68.1)
Smoking history	Former/current	199	(31.9)
Tumor type	Adenocarcinoma	575	(92.1)
	NSCLC, not specified	26	(4.2)
	NSCLC, other cell types^a	23	(3.7)
PS^b	0–1	549	(88.0)
PS^b	≥2	75	(12.0)
Stage^c	IA	43	(6.9)
	IB	56	(9.0)
	IIA	24	(3.8)
	IIB	9	(1.4)
	IIIA	70	(11.2)
	IIIB	29	(4.6)
	IV	390	(62.5)
	N/A	3	(0.5)
Lobe	Left upper lobe	149	(23.9)
	Left lower lobe	97	(15.5)
	Right upper lobe	189	(30.3)
	Right middle lobe	88	(14.1)
	Right lower lobe	101	(16.2)

NSCLC, non-small cell lung cancer; R-EBUS, radial endobronchial ultrasound; PS, performance status; N/A, not available.
^aIncludes adenosquamous carcinoma (n = 6), pleomorphic carcinoma (n = 3), lymphoepithelioma-like carcinoma (n = 6), sarcomatoid carcinoma (n = 4), neuroendocrine carcinoma (n = 1), large cell carcinoma (n = 1), adenocarcinoma with small cell component (n = 2).
^bBased on the Eastern Cooperative Oncology Group performance status score.
^cBased on the 7^th edition of the TNM (tumor, node, and metastasis) classification of lung cancer.

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