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Table 1 Baseline characteristics of 46 patients with intrathoracic granulomatous lymphadenopathy

From: Efficacy of TB-PCR using EBUS-TBNA samples in patients with intrathoracic granulomatous lymphadenopathy

Variables No. (%) or mean ± SD
Age 47.1 ± 17.1
Female gender 28 (61)
Number of LN involved per patienta 7.0 ± 3.6
Number of LN examined per patient 1.7 ± 0.7
Number of needle pass per LN 3.7 ± 1.8
Number of tissue core achieved per LN 2.0 ± 1.3
Stations of LN puncturedb  
 2R 2/82 (2)
 4R 31/82 (38)
 4 L 3/82 (4)
 7 33/82 (40)
 10R 1/82 (1)
 11R 9/82 (11)
 11 L 3/82 (4)
Diameter of LN examined using EBUS-TBNAc  
 Shortest diameter, mm 19.4 ± 8.0
 Longest diameter, mm 28.7 ± 11.4
  1. aInvolved lymph node was defined as the shortest diameter ≥ 1 cm on a CT scan
  2. bBased on the International Association for the Study of Lung Cancer (IASLC) lymph node map
  3. cMeasured on an axial CT scan
  4. SD, standard deviation; LN, lymph node; EBUS-TBNA, endobronchial ultrasound-guided transbronchial needle aspiration