Table 5 Proportional hazard Cox regression using only data of 85 primary balloon angioplasties within intervention-based analysis. Enter model. aFor categorical variables, the first category is used as reference
From: Cephalic arch stenosis: an analysis of outcome by type of first intervention
Regression Coefficient | SE | Hazard Ratio | CI | Significance | |
|---|---|---|---|---|---|
25–50% stenosisa | - / - | 1.701 | - / - | - / - | 0.168 |
50–75% stenosis | 1.01 | 1.116 | 2.75 | 0.327 – 23.1 | 0.35 |
> 75% stenosis | 1.6 | 1.051 | 5.16 | 0.364 – 39.9 | 0.17 |
Type Aa | - / - | 0.81 | - / - | - / - | 0.16 |
Type B | -0.051 | 0.832 | 0.95 | 0.18 – 4.85 | 0.951 |
Type C | 1.126 | 0.85 | 3.1 | 0.203—6.9 | 0.18 |
Type D | 0.196 | 0.847 | 1.23 | 0.232 – 6.34 | 0.82 |
Peripheral stenoses | 0.580 | 0.375 | 1.78 | 0.857 – 3.72 | 0.12 |
Central vein stenosis | 0.288 | 0.510 | 1.33 | 0.385 – 2.839 | 0.57 |
Balloon Size | -0.005 | 0.128 | 0.968 | 0.781 – 1.267 | 0.964 |
Technical success | -1.056 | 0.45 | 0.35 | 0.147—0.842 | 0.035 |