Potential predictors for retreatment
| No revision (n=23) | Revision (n=8) | p Value | |
|---|---|---|---|
| Female gender | 21 (91.3%) | 8 (100%) | 1.0 |
| Age | 35.5 (12.6) | 29.3 (5.7) | 0.191 |
| Race | 0.0002 | ||
| African-American | 0/5 | 5/5 | |
| Caucasian | 23/26 | 2/26 | |
| BMI continuous (kg/m2) | 36.8 (10.4) | 44.3 (9.9) | 0.103 |
| BMI class | Normal: 6 | Normal: 0 | 0.031 |
| Class I: 7 | Class I: 0 | ||
| Class II: 3 | Class II: 2 | ||
| Class III: 7 | Class III: 6 | ||
| CVP (IJV) | 10.1 (4.5) | 9.6 (4.6) | 0.797 |
| Post-stenting torcular pressure (mm Hg)* | 16.4 (6.1) | 17.4 (4.8) | 0.671 |
| Post-stenting gradient pressure (mm Hg)* | 3.0 (3.1) | 0.9 (1.2) | 0.097 |
| Post-stenting IJV pressure (mm Hg)* | 13.2 (5.2) | 16.4 (5.1) | 0.152 |
| Endocrine disorder | 7 (30.4%) | 1 (12.5%) | 0.642 |
| Steroid immunosuppressive | 4 (17.4%) | 0 (0.0%) | 0.550 |
| Intrinsic etiology | 2 (8.7%) | 0 (0.0%) | 1.0 |
| Stent size (mm)† | |||
| 8 | 14 | 3 | 0.218 |
| 7 | 7 | 2 | |
| 9 | 2 | 3 |
Values are mean (SD) unless indicated otherwise.
Bold type indicates statistical significance.
*Data for post-intervention pressures are missing for one patient.
†Stent used is the self-expanding Zilver biliary stent (Cook Medical, Bloomington, Indiana, USA).
BMI, body mass index; CVP, central venous pressure; IJV, internal jugular vein.