Endobronchial ultrasound-guided transbronchial needle aspiration in intrathoracic lymphadenopathy with extrathoracic malignancy

Table 4 Factors influencing endobronchial ultrasound-guided transbronchial needle aspiration accuracy in intrathoracic malignant lymphadenopathy, n = 94

Covariates	Accurate number,	Univariate analysis
	n (%)	OR (95%CI)	P value
Sex
Female	46 (92.0)	1
Male	41 (93.2)	1.783 (0.310-10.246)	0.571
Age (yr)
≤ 60	47 (92.2)	1
> 60	40 (93.0)	1.702 (0.296-9.785)	0.551
Location of sampled lymph node
Hilar	27 (93.1)	1
Paratracheal	36 (92.3)	2.000 (0.312-12.815)	0.465
Subcarinal	24 (92.3)	2.667 (0.260-27.381)	0.409
Determination of target lymph node
PET-CT and CT	52 (90.0)	1
CT only	35 (97.2)	3.365 (0.377-30.052)	0.277
Size of short axis in sampled lymph node in mm	18.9 ± 7.0	1.093 (0.975-1.248)	0.191
SUVmax of sampled lymph node	8.8 ± 5.1	0.877 (0.753-1.015)	0.077
Number of passes per lymph node, times, median (range)	2 (1-5)	2.097 (0.691-6.253)	0.193
Histological specimen acquired
No	7 (87.5)	1
Yes	80 (93.0)	2.286 (0.233-22.387)	0.478
Operator of EBUS-TBNA
Dr. LSJ	70 (92.1)	1
Dr. WQ	17 (94.4)	1.124 (0.133-11.085)	0.863

Data are presented as n (%) or mean ± SD, unless otherwise indicated. CT: Computed tomography; EBUS-TBNA: Endobronchial ultrasound-guided transbronchial needle aspiration; PET-CT: Positron emission tomography-computed tomography; SUV_max: Maximum standardized uptake.