Number and distribution of internal jugular vein valve incompetence (IJVVI) in 85 controls and 25 patients
| Controls | Patients | |
|---|---|---|
| Total IJVVI | 28 (100%) | 17 (100%) |
| Right sided IJVVI | 19 (68%) | 10 (59%) |
| Left sided IJVVI | 9 (32%) | 6 (35%) |
| Bilateral IJVVI | – | 1 (6%) |