Table 4 Comparison of imaging characteristics of lower limb vascular ultrasound among different obese categories
BMI<25 | BMI25–29.9 | BMI30–34.9 | BMI>35 | P | |
|---|---|---|---|---|---|
Number of embolized vessels | 0.335 | ||||
1 | 9 | 21 | 6 | 0 | |
2 | 2 | 10 | 0 | 1 | |
≥ 3 | 5 | 8 | 2 | 0 | |
Echogenicity | 0.072 | ||||
Hypoechoic | 16 | 37 | 8 | 0 | |
Hyperechoic | 0 | 2 | 0 | 1 | |
Mean vein diameter (mm) | 50.3 ± 29.1 | 46.7 ± 27.6 | 42.6 ± 13.6 | 56.0 | 0.910 |