Table 3 EBUS features presence in malignant and benign lymph nodes
Ultrasonographic feature | Malignant | Benign | Pearson X2 value | p value |
|---|---|---|---|---|
Central hilar structure | ||||
Presence | 9 (45.0) | 11 (55.0) | 6.52 | 0.011* |
Absence | 108 (73.0) | 40 (27.0) | ||
Short axis | ||||
< 10 mm | 15 (48.4) | 16 (51.6) | 8.12 | 0.004* |
≥ 10 mm | 102 (74.5) | 35 (25.5) | ||
Margin | ||||
Ill-define | 98 (67.1) | 48 (32.9) | 3.35 | 0.067 |
Well-define | 19 (86.4) | 3 (13.6) | ||
Central necrosis | ||||
Absence | 112 (69.6) | 49 (30.4) | 2.16 | 0.323 |
Presence | 5 (100.0) | 0 (0.0) | ||
Round shape (long axis/short axis) | ||||
≥ 1.5 | 29 (38.3) | 29 (61.7) | ||
< 1.5 | 88 (72.7) | 33 (27.3) | 0.163 | |