Table 5 Comparing the proportion of different vascular distributions and grade for parotid gland tumors by CDFI and SMI
From: The diagnostic value of Superb Microvascular Imaging in identifying benign tumors of parotid gland
Vascular Distributions | Vascular Grade | |||||||
|---|---|---|---|---|---|---|---|---|
Avascular | Peripheral | Central | Mixed | Grade 0 | Grade 1 | Grade 2 | Grade 3 | |
CDFI | 65 (26.1%) | 70 (28.1%) | 60 (24.1%) | 54 (21.7%) | 65 (26.1%) | 73 (29.3%) | 59 (23.7%) | 52 (20.9%) |
SMI | 47 (18.9%) | 75 (30.1%) | 59 (23.7%) | 67 (26.9%) | 47 (18.9%) | 60 (24.1%) | 72 (28.9%) | 70 (28.1%) |
χ2 | 4.468 | 8.109 | ||||||
P value | 0.215 | 0.040 | ||||||