Table 2 STA origin, diameter and distance from the CCB horizontal level
Right side (n = 80) | Left side (n = 80) | Both sides (n = 160) | |
|---|---|---|---|
n (%) | n (%) | n (%) | |
Origin | |||
At CCB horizontal level | 18 (22.5) | 13 (16.3) | 31 (19.4) |
Above CCB horizontal level | 46 (57.5) | 42 (52.5) | 88 (55) |
Below CCB horizontal level | 13 (16.2) | 25 (31.2) | 38 (23.7) |
Trunk | 3 (3.8) | 0 (0) | 3 (1.9) |
Diameter (mm) | |||
Mean ± SD (range) | 1.83 ± 0.36 (1.1–2.9) | 1.83 ± 0.37 (1.1–2.8) | 1.83 ± 0.36 (1.1–2.9) |
Distance above CCB (mm) | |||
Mean ± SD (range) | 6.52 ± 7.31 (1–48) | 5.86 ± 10.68 (1–69) | 6.20 ± 9.02 (1–69) |
Distance below CCB (mm) | |||
Mean ± SD (range) | 4.53 ± 2.05 (1.0–8.2) | 5.29 ± 2.85 (1.5–14.3) | 5.03 ± 2.60 (1.0–14.3) |