Table 2.

Calculate the angle between the plane of the semicircular canal and the coordinate plane by the average angle method.

Semicircular canal	Sagittal plane (°)	Coronal plane (°)	Horizontal plane (°)
RP	130.50 ± 4.12	45.50 ± 4.36	73.34 ± 3.97
RA	41.59 ± 4.83	54.84 ± 4.43	71.13 ± 3.63
RH	90.95 ± 5.92	107.28 ± 5.08	18.33 ± 5.20
LP	48.82 ± 4.21	45.57 ± 4.00	74.61 ± 4.61
LA	137.44 ± 4.59	54.12 ± 4.00	70.85 ± 4.75
LH	88.55 ± 5.89	106.09 ± 4.5	17.24 ± 4.57

P, posterior semicircular canal; A, superior semicircular canal; H, lateral semicircular canal; R, right; L, left.