Table 1 The CCB horizontal level compared to vertebral level and anterior structures
Right side (n = 80) | Left side (n = 80) | Both sides (n = 160) | Male (n = 102) | Female (n = 58) | |
|---|---|---|---|---|---|
n (%) | n (%) | n (%) | n (%) | n (%) | |
Level of Vertebra | |||||
C2 | 1 (1.2) | 1 (1.2) | 2 (1.2) | 0 (0) | 2 (3.4) |
C2/C3 | 12 (15) | 13 (16.4) | 25 (15.7) | 13 (12.7) | 12 (20.7) |
C3 | 21 (26.3) | 28 (35) | 49 (30.6) | 30 (29.4) | 19 (32.8) |
C3/C4 | 31 (38.8) | 23 (28.7) | 54 (33.8) | 32 (31.4) | 22 (37.9) |
C4 | 9 (11.3) | 10 (12.5) | 19 (11.9) | 17 (16.7) | 2 (3.4) |
C4/C5 | 5 (6.2) | 4 (5) | 9 (5.6) | 8 (7.8) | 1 (1.7) |
Lower level | 1 (1.2) | 1 (1.2) | 2 (1.2) | 2 (2) | 0 (0) |
Anterior structures | |||||
Hyoid-mandible | 10 (12.5) | 10 (12.5) | 20 (12.5) | 14 (13.7) | 6 (10.3) |
Hyoid | 27 (33.8) | 26 (32.5) | 53 (33.2) | 36 (35.3) | 17 (29.3) |
Thyroid-hyoid | 28 (35) | 31 (38.8) | 59 (36.9) | 35 (34.3) | 24 (41.4) |
Superior thyroid | 12 (15) | 12 (15) | 24 (15) | 13 (12.7) | 11 (19) |
Mid-thyroid | 2 (2.5) | 0 (0) | 2 (1.2) | 2 (2) | 0 (0) |
Lower level | 1 (1.2) | 1 (1.2) | 2 (1.2) | 2 (2) | 0 (0) |