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Table 1 Mathematically calculated and manually measured values of ProjA and SafA

From: Canine atlantoaxial optimal safe implantation corridors – description and validation of a novel 3D presurgical planning method using OsiriX™

Case

Implant

Observer

Repeat

ProjA1 (°)

ProjA2 (°)

SafA1 (°)

SafA2 (°)

SafA3 (°)

SafA4 (°)

7

8

1

1

35.67

20.60

16.33

11.54

17.52

5.60

1

2

34.59

22.66

15.9

11.9

17.42

5.65

2

1

34.72

21.36

16.48

11.29

17.46

5.41

2

2

34.39

21.43

16.59

11.16

17.44

5.51

Gold standard

34.51

21.42

16.50

11.25

17.38

5.51

3

3

1

1

35.78

33.80

13.38

10.29

4.02

4.58

1

2

35.69

34.34

13.01

9.99

4.51

4.49

2

1

35.21

33.77

13.02

10.51

4.19

4.46

2

2

35.60

34.52

13.45

10.27

4.23

4.39

Gold standard

35.61

34.30

13.20

10.19

4.15

4.44

22

1

1

1

25.67

23.66

44.28

12.71

7.68

9.30

1

2

25.63

24.04

44.54

13.38

7.75

9.31

2

1

25.39

24.06

44.23

13.34

7.35

9.34

2

2

25.28

23.96

44.76

13.50

7.37

9.42

Gold standard

25.61

24.10

44.38

13.21

7.55

9.29

18

4

1

1

41.14

37.39

24.12

21.55

40.16

15.95

1

2

43.13

37.12

23.38

21.88

41.39

14.61

2

1

43.29

38.21

23.72

21.56

40.87

15.69

2

2

42.97

37.94

24.39

20.94

40.52

15.74

Gold standard

42.81

38.27

23.54

21.63

40.65

15.83

15

0

1

1

30.03

16.73

44.61

11.91

16.48

6.62

1

2

30.3

19.61

45.86

10.82

16.29

6.25

2

1

30.32

19.99

45.61

10.72

16.29

5.63

2

2

30.00

19.42

45.57

10.69

16.46

6.04

Gold standard

29.83

19.68

45.64

10.72

16.17

6.30

25

8

1

1

26.09

14.03

17.62

19.69

13.60

3.29

1

2

26.13

15.66

17.17

19.51

13.69

3.71

2

1

26.09

15.36

16.83

19.86

13.88

3.53

2

2

25.93

15.26

17.88

19.72

13.91

3.40

Gold standard

26.08

14.93

17.35

19.85

13.81

3.41

14

7

1

1

7.22

31.70

31.87

15.80

28.14

19.85

1

2

8.18

31.95

31.35

15.5

27.73

19.16

2

1

6.99

32.51

31.19

15.04

27.42

18.81

2

2

6.90

31.16

31.37

15.46

26.99

19.56

Gold standard

7.30

31.62

31.21

15.56

27.51

19.21

16

2

1

1

32.00

35.50

11.11

17.58

13.84

3.58

1

2

31.94

35.41

11.27

17.18

13.49

3.51

2

1

31.33

35.88

11.17

17.17

13.77

3.34

2

2

31.32

35.22

11.07

17.03

13.76

3.40

Gold standard

31.33

35.34

11.21

17.09

13.74

3.41

20

2

1

1

25.62

22.77

14.24

22.02

9.19

2.45

1

2

25.82

22.91

14.15

21.81

8.81

2.31

2

1

25.65

23.38

14.28

21.86

9.08

2.08

2

2

25.69

23.27

14.14

21.73

8.87

2.25

Gold standard

25.61

23.13

14.23

21.81

9.08

2.17

5

8

1

1

39.27

11.33

9.48

8.74

18.57

0.74

1

2

39.25

10.63

9.12

8.79

18.57

0.45

2

1

38.73

11.71

9.35

8.39

18.74

0.47

2

2

39.00

11.41

9.04

8.55

18.89

0.43

Gold standard

38.98

11.06

9.22

8.60

18.80

0.38

24

7

1

1

2.96

22.15

34.91

26.15

29.58

27.10

1

2

2.34

22.61

33.99

26.9

30

26.41

2

1

1.59

22.94

33.46

25.97

29.66

26.49

2

2

2.19

22.25

34.04

26.72

29.27

27.36

Gold standard

2.45

22.71

33.96

26.54

29.32

26.95

2

0

1

1

15.71

20.17

45.65

11.82

11.85

11.69

1

2

15.32

20.35

46.05

12.23

12

12.35

2

1

15.63

20.10

45.29

11.81

11.34

11.61

2

2

15.30

19.58

45.54

12.22

11.92

11.21

Gold standard

15.49

20.00

45.66

12.04

11.97

11.48

  1. Implants were numbered as follows: C1 pedicular (0–1); C1-C2 transarticular (2–3); C2 cranial articular surface (4–5); C2 pedicular (6–7); C2 parasagittal caudal vertebral body (8–9); Right side (even #); Left side (odd #); Bold font: Mathematically calculated values (gold standard)