Table 3 Effect of gender on B-mode and Doppler ultrasonographic measurements of jugular vein in donkeys (Equus asinus, n = 20)
From: B-mode and color Doppler ultrasonography of normal external jugular vein in donkeys (Equus asinus)
B-mode scans | Doppler scans | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Longitudinal views | Transverse views | Blood velocity (cm/sec) | Blood flow rate (ml/min) | Congestion index (cm.sec) | ||||||||
Depth (mm) | SWTa (mm) | DWTb (mm) | Diameter (mm) | Depth (mm) | SWTa (mm) | DWTb (mm) | Diameter (cm) | Area (cm2) | ||||
Male (n = 10) | 5.3 ± 0.2 | 0.5 ± 0.01 | 0.6 ± 0.01 | 6.5 ± 0.2 | 5.6 ± 0.2 | 0.6 ± 0.01 | 0.6 ± 0.01 | 1.1 ± 0.04 | 1.1 ± 0.08 | 10.5 ± 0.2 | 0.7 ± 0.05 | 0.10 ± 0.01 |
Female (n = 10) | 4.9 ± 0.1 | 0.5 ± 0.01 | 0.6 ± 0.02 | 6.7 ± 0.4 | 5.0 ± 0.1 | 0.6 ± 0.01 | 0.6 ± 0.01 | 1.2 ± 0.06 | 1.3 ± 0.1 | 10.4 ± 0.2 | 0.8 ± 0.09 | 0.12 ± 0.01 |
P-value | 0.133 | 0.843 | 0.607 | 0.076 | 0.078 | 0.845 | 0.882 | 0.156 | 0.177 | 0.912 | 0.188 | 0.177 |