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Univariate analyses between demographics and vessel measurements on BBF outcomes.
| Variables | Univariate analyses | ||
|---|---|---|---|
| RR ratio | 95% confidence interval for RR | P value | |
| Patient age | 1.02 | (0.88, 1.16) | 0.769 |
| Gender (male) | 0.68 | (0.45, 2.99) | 0.998 |
| Minimum vein diameter | 1.02 | (0.03, 2.00) | 0.989 |
| Maximum vein diameter | 2.03 | (0.01, 50.14) | 0.592 |
| Artery diameter | 1.05 | (0.06, 2.46) | 0.970 |
| Artery velocity | 0.99 | (0.88, 1.09) | 0.897 |
