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. 2012 Nov 1;143(4):1036–1043. doi: 10.1378/chest.12-1205

Table 6.

—Multivariate Hierarchical Logistic Regression of EBUS-TBNA Diagnostic Yield and Sample Adequacy by Needle Gauge

Variable 21 Gauge (n = 240 Patients, n = 497 Lymph Nodes) 22 Gauge (n = 995 Patients, n = 2,271 Lymph Nodes) Adjusted OR (95% CI) P Value
By patient
 Diagnostic yield 123 (51) 511 (51) 1.2 (0.9-1.8) .26a
By lymph node
 Diagnostic yield 197 (40) 746 (33) 1.5 (0.7-3.1) .27b
 Sample adequacy 446 (90) 2,054 (90) 1.4 (0.7-2.8) .37c

Data are presented as No. (%) unless otherwise indicated. See Table 2 legend for expansion of abbreviation.

a

Adjusted for needle size, age, sex, anatomic site sampled, number of sites sampled, ethnicity, CT scan short-axis lymph node diameter, smoking status, and comorbid conditions.

b

Adjusted for needle size, sex, anatomic site sampled, number of sites sampled, ROSE, CT scan short-axis lymph node diameter, comorbidity, and average number of needle passes.

c

Adjusted for needle size, anatomic site sampled, number of sites sampled, ethnicity, ROSE, smoking status, CT scan short-axis lymph node diameter, and average number of needle passes.