Table 4 Frequency of the BCAT
From: Study of the mandibular canal and its surrounding canals by multi-view cone-beam computed tomography
47 | 46 | 45 | 44 | 43 | 33 | 34 | 35 | 36 | 37 | |
|---|---|---|---|---|---|---|---|---|---|---|
Type 1 occurrence rate of DVR | 91.7 | 71.1 | 50 | 50 | 67.9 | 64.3 | 51.9 | 34.5 | 60 | 53.3 |
(95% CI) | (73.3, 110) | (55.9, 86.2) | (31.7, 68.3) | (28.4, 71.6) | (49.4, 86.3) | (45.4, 83.2) | (31.7, 72) | (16.1, 52.9) | (41.4, 78.6) | (24.7, 81.9) |
Type 2 occurrence rate of DVR | 8.3 | 13.2 | 15.6 | 20.8 | 32.1 | 35.7 | 33.3 | 34.5 | 20 | 6.7 |
(95% CI) | (-10, 26.7) | (1.9, 24.4) | (2.3, 28.9) | (3.3, 38.4) | (13.7, 50.6) | (16.8, 54.6) | (14.3, 52.3) | (16.1, 52.9) | (4.8, 35.2) | (-7.6, 21) |
Type 3 occurrence rate of DVR | 0 | 15.8 | 34.4 | 20.8 | 0 | 0 | 14.8 | 31 | 20 | 40 |
(95% CI) | (0, 0) | (3.6, 27.9) | (17, 51.8) | (3.3, 38.4) | (0, 0) | (0, 0) | (0.5, 29.1) | (13.1, 48.9) | (4.8, 35.2) | (11.9, 68.1) |
Type 1 occurrence rate of 3D | 100 | 55.3 | 56.3 | 58.3 | 75 | 67.9 | 59.3 | 44.8 | 40 | 53.3 |
(95% CI) | (100, 100) | (38.7, 71.8) | (38.1, 74.4) | (37.1, 79.6) | (57.9, 92.1) | (49.4, 86.3) | (39.5, 79.1) | (25.6, 64.1) | (21.4, 58.6) | (24.7, 81.9) |
Type 2 occurrence rate of 3D | 0 | 39.5 | 25 | 37.5 | 25 | 32.1 | 33.3 | 41.4 | 40 | 20 |
(95% CI) | (0, 0) | (23.2, 55.8) | (9.1, 40.9) | (16.6, 58.4) | (7.9, 42.1) | (13.7, 50.6) | (14.3, 52.3) | (22.3, 60.4) | (21.4, 58.6) | (-2.9, 42.9) |
Type 3 occurrence rate of 3D | 0 | 5.3 | 18.8 | 4.2 | 0 | 0 | 7.4 | 13.8 | 20 | 26.7 |
(95% CI) | (0, 0) | (-2.2, 12.7) | (4.5, 33) | (-4.5, 12.8) | (0, 0) | (0, 0) | (-3.2, 18) | (0.4, 27.1) | (4.8, 35.2) | (1.3, 52) |