Table 1. Calculated diameters of the veins.
| Vein | Diameter (mm) | Mean (mm) | Significancea | |
| IPS | Right | 1.0–3.7 | 0.99 | p = 5551 |
| Left | 1.0–3.5 | 2.04 | ||
| OS | 4.0–5.3 | 4.7 | ||
| ACV | Right | 1.0–5.3 | 3.03 | p = 0.0846 |
| Left | 1.4–5.5 | 3.24 | ||
| LCV | Right | 1.0–6.6 | 3.75 | p = 0.937 |
| Left | 1.6–5.8 | 3.43 | ||
| PCV | Right | 2.2–6.7 | 4.17 | p = 0.3373 |
| Left | 1.8–8.4 | 3.93 | ||
| JB | Right | 4.5–11.7 | 6.94 | p<0.0001 |
| Left | 3.3–11.0 | 5.50 | ||
aPaired t-test. IPS, inferior petrosal sinus; OS, occipital sinus; ACV, anterior condylar vein; LCV, lateral condylar vein; PCV, posterior condylar vein; JB, jugular bulb.