Table 4 Linear mixed model summary for 4D-DSA arterial cross-sectional area
Parameter effect on area | Estimate | SE | p value |
|---|---|---|---|
Injection rate | -0.032 | 0.005 | < 0.001 |
Scan time (12 s) | -0.002 | 0.004 | 0.608 |
Branch (2nd order) | -0.033 | 0.012 | 0.008 |
Branch (3rd order) | -0.054 | 0.012 | < 0.001 |
Contrast concentration (100%) | -0.001 | 0.003 | 0.634 |
Catheter (5 Fr) | -0.008 | 0.003 | 0.009 |
Injection rate: branch (2nd) | -0.022 | 0.006 | < 0.001 |
Injection rate: branch (3rd) | -0.023 | 0.007 | < 0.001 |