Table 5.

—Univariate Analysis of EBUS-TBNA Characteristics by Sample Adequacy per Lymph Node Sampled

EBUS-TBNA Characteristic	OR (95% CI)	P Value
Needle gauge (21 vs 22)	0.9 (0.7-1.3)	.63
Age (< 63 vs ≥ 63 y)	1.0 (0.8-1.3)	.96
Number of sites sampled
1 (reference)		…
2	0.8 (0.5-1.3)	.39
3	0.7 (0.4-1.0)	.05
4	1.0 (0.6-1.6)	.96
≥ 5	1.5 (0.8-2.6)	.17
Sex (female or male)	1.0 (0.8-1.3)	.73
Ethnicity (white or nonwhite)	0.8 (0.6-1.1)	.15
CT scan short-axis node size, cm
< 1 (reference)		…
1-2	1.5 (1.1-2.0)	.007
2-3	1.5 (0.9-2.5)	.08
≥ 3	0.8 (0.5-1.2)	.27
Lymph nodes sampled
Subcarinal (reference)		…
Left hilar	0.5 (0.3-0.8)	.002
Right hilar	1.2 (0.8-1.8)	.48
Superior mediastinum/aortic (not  including station 4)	0.4 (0.2-0.6)	< .001
Low right paratracheal	1.1 (0.7-1.7)	.70
Low left paratracheal	0.4 (0.3-0.6)	< .001
ROSE (no vs yes)	0.6 (0.5-0.9)	.01
Smoking status (ever vs never)	1.2 (0.9-1.6)	.20
Comorbid conditions present  (no vs yes)	0.9 (0.7-1.2)	.67
Average number of passes per node	0.9 (0.9-1.0)	.19

See Table 2 legend for expansion of abbreviations.