Table 2.
Characteristics by needle type.
| Trucut (n = 33) | Aspiration (n = 36) | P value | |
|---|---|---|---|
| Age, mean ± SD | 60.7 ± 14.3 | 65.6 ± 12.6 | 0.132 |
| Gender, n (%) | 0.523 | ||
| Male | 24 (72.7) | 27 (75.0) | |
| Female | 9 (27.3) | 9 (25.0) | |
| Indication of biopsy, n (%) | 0.784 | ||
| Lung caner | 22 (66.7) | 30 (83.3) | |
| Tuberculosis | 4 (12.1) | 2 (5.6) | |
| Esophageal cancer | 2 (6.1) | 1 (2.8) | |
| Lymphoma | 1 (3.0) | 0 | |
| Sarcoidosis | 1 (3.0) | 1 (2.8) | |
| Others∗ | 3 (9.1) | 2 (5.6) | |
| Size of lymph node (mm), mean ± SD | |||
| Long axis | 28.9 ± 14.0 | 21.1 ± 8.8 | 0.007 |
| Short axis | 15.9 ± 1.1 | 11.4 ± 5.8 | 0.003 |
| Location of lymph node, n (%) | 0.829 | ||
| Subcarinal | 26 (78.8) | 31 (86.1) | |
| Aortopulmonary window | 4 (12.1) | 4 (11.1) | |
| Paratracheal | 2 (6.1) | 1 (2.8) | |
| Paraesophageal | 1 (3.0) | 0 | |
| Number of needle pass, n (%) | 0.796 | ||
| 1 | 24 (72.7) | 27 (75.0) | |
| 2 | 4 (12.1) | 3 (8.3) | |
| 3 | 3 (9.1) | 4 (11.3) | |
| 4 | 1 (3.0) | 2 (5.6) | |
| 5 | 1 (3.0) | 0 |
∗Lymphangioma (n = 2), usual interstitial pneumonitis (n = 1), pneumonia (n = 1), and recurred metastatic lymphadenopathy of stomach cancer (n = 1).