2.

两组患者穿刺情况（Mean±SD）

The message of two groups of patients puncture (Mean±SD)

Surgery*		C-ROSE group	No C-ROSE group	P
*: Three patients had tumor EBUS-TBNA and lymph node EBUS-TBNA at the same time in C-ROSE group; two patients had tumor EBUS-TBNA and lymph node EBUS-TBNA at the same time in No C-ROSE group. EBUS-TBNA: endobronchial ultrasound-guided transbronchial needle aspiration.
Tumor EBUS-TBNA	Tumor diameter (cm)	3.78±1.65	3.71±1.27	0.90
	Puncture numbers	2.39±0.99	2.46±1.05	0.84
	Puncture depth (cm)	2.27±0.45	2.21±0.33	0.52
Lymph node EBUS-TBNA	Lymph node short diameter (cm)	2.58±0.69	2.68±0.84	0.28
	Number of lymph nodes punctured	1.46±0.62	1.43±0.61	0.80
	Puncture numbers	2.72±1.16	2.49±1.02	0.28
	Puncture depth (cm)	2.03±0.27	1.97±0.40	0.14