Table 3 Vascular distributions and grade of three types of parotid gland tumors by CDFI
From: The diagnostic value of Superb Microvascular Imaging in identifying benign tumors of parotid gland
Pathological type | n | Vascular Distributions | Vascular Grade | ||||||
|---|---|---|---|---|---|---|---|---|---|
Avascular | Peripheral | Central | Mixed | Grade 0 | Grade 1 | Grade 2 | Grade 3 | ||
PA | 148 | 47 (31.8%) | 45 (30.4%) | 32 (21.6%) | 24 (16.2%) | 47 (31.8%) | 46 (31.1%) | 30 (20.3%) | 25(16.9%) |
BCA | 18 | 3 (16.7%) | 5 (27.8%) | 4 (22.2%) | 6 (33.3%) | 3 (16.7%) | 4 (22.2%) | 5 (27.8%) | 6 (33.3%) |
WT | 83 | 15 (18.1%) | 20 (24.1%) | 24 (28.9%) | 24 (28.9%) | 15 (18.1%) | 23 (27.7%) | 24 (28.9%) | 21 (25.3%) |
□χ2 | 11.860 | 10.071 | |||||||
P value | 0.07 | 0.122 | |||||||