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Table 2 Significance of differences among coordinates A–E (±s)

From: Three-dimensional imaging for the localization of related anatomical structures during surgery on the internal auditory canal

(n = 120)

x

y

z

 

L(–x)

R

P

L

R

P

L

R

P

A

0

0

Null

0

0

null

1.82 ± 0.45

1.77 ± 0.37

0.293

B

3.45 ± 2.18

3.70 ± 2.91

0.799

–3.39 ± 2.18

–3.06 ± 2.16

0.335

2.54 ± 0.99

2.67 ± 1.05

0.129

C

2.51 ± 2.67

2.24 ± 2.86

0.582

–6.56 ± 2.56

–6.69 ± 2.80

0.478

7.66 ± 1.40

7.59 ± 1.39

0.682

D

3.78 ± 1.84

3.80 ± 2.89

0.950

–5.91 ± 2.37

–5.69 ± 2.59

0.54

8.56 ± 1.61

8.38 ± 1.29

0.848

E

6.08 ± 2.26

5.96 ± 2.81

0.768

–1.43 ± 2.27

–1.22 ± 2.45

0.565

8.25 ± 1.38

8.27 ± 1.27

0.916

F

16.73 ± 2.74

16.51 ± 3.49

0.792

–1.53 ± 3.05

–1.90 ± 3.10

0.351

9.58 ± 1.90

10.09 ± 1.70

0.290

G

8.23 ± 2.26

7.94 ± 3.37

0.562

–7.06 ± 2.45

–6.75 ± 3.18

0.478

8.44 ± 1.40

8.45 ± 1.39

0.914

  1.  L left side
  2. R right side
  3. A the lower margin of the bony arcuate eminence
  4. B the highest point of the SSC
  5. C the lateral point of the SSC
  6. D the ampulla limb point of the SSC (center of the ampulla limb section)
  7. E the common limb point of the SSC (center of the common limb section)
  8. F the internal auditory opening (center of the internal auditory meatus section)
  9. G the center of the bottom of the internal auditory canal