Table 3 Origin, diameter, and distance of other ECA branches (LA, FA, APA, OA and PAA) from the CCB horizontal level

Origin type: n (%) (n = 160)

 Trunk

25 (15.6)

22 (13.7)

28 (17.5)

43 (26.9)

18 (11.3)

 Separate

135 (84.4)

138 (86.3)

132 (82.5)

117 (73.1)

142 (88.7)

Diameter (mm)

 Mean ± SD (range)

2.11 ± 0.41

(1.4–3)

2.38 ± 0.44

(1.4–3.4)

1.17 ± 0.11

(0.8–1.5)

2.17 ± 0.38

(1.3–3)

1.71 ± 0.28

(1.0–2.4)

Distance (mm)

 Mean ± SD (range)

15.18 ± 11.09

(1.0–99)

21.72 ± 12.19

(2.0–109)

16.97 ± 12.13

(3.0–100)

20.79 ± 15.18

(3.8–111)

33.53 ± 14.92

(5.3–119)