Table 1 Comparison of the characteristics of patients in whom parallel guidewire imaging succeeded or failed.
All patients (n = 56) | Parallel guidewire imaging | p value | ||
---|---|---|---|---|
Success (n = 45) | Failure (n = 11) | |||
Age (years) | 75 (67–81) | 75 (68–80) | 71 (66–82) | 0.96 |
Male sex | 37 (66%) | 20 (67%) | 17 (65%) | 0.85 |
Height (cm) | 157 (154–164) | 157 (154–164) | 162 (153–169) | 0.94 |
Weight (kg) | 57 (51–67) | 56 (48–64) | 61 (54–82) | 0.02 |
Body mass index (kg/m2) | 22.5 (20.2–24.8) | 21.9 (20.0–24.1) | 27.3 (21.6–32.6) | 0.004 |
Depth of the IJV (mm) | 8 (6–9) | 8 (6–9) | 7 (6–10) | 0.80 |
Sagittal diameter of the IJV (mm) | 10 (8–13) | 10 (8–13) | 11 (8–14) | 0.39 |
Distance from the puncture site to the clavicle (mm) | 48 (42–54) | 48 (44–56) | 39 (33–42) | < 0.001 |