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Table 2 Pre- and post- operative imaging parameters in atlantoaxial dislocation cases

From: Comparison of imaging parameters pre- and post- reductive procedure for atlantoaxial dislocation via posterior fixation using pedicle screw and rod: a cross-sectional study

Patient ID

ADI (mm)

CCA (°)

CMA (°)

SLMI (mm)

Pre-op

Post-op

Pre-op

Post-op

Pre-op

Post-op

Pre-op

Post-op

1

5.62

0.97

125.84

133.59

131.34

142.80

6.58

9.83

2

3.90

0.00

122.59

147.24

135.02

153.89

5.26

7.16

3

3.20

0.78

135.57

151.11

149.33

162.23

4.93

5.43

4

5.15

0.92

138.67

162.34

144.22

164.22

2.62

6.86

5

3.72

1.07

154.22

161.21

155.53

166.81

5.74

7.66

6

5.56

1.17

113.02

146.31

130.48

151.87

3.98

9.85

7

9.05

0.60

135.40

147.93

137.34

145.49

5.63

7.06

8

10.64

1.88

133.93

149.63

131.67

162.04

2.06

8.18

9

8.91

1.74

138.53

154.58

129.85

149.27

4.99

6.59

10

16.46

2.18

159.33

165.32

152.32

162.00

2.26

9.10

11

13.01

1.53

113.90

138.11

131.43

150.55

2.97

4.45

12

9.16

0.00

134.19

160.67

138.67

164.27

3.29

9.20

13

10.28

1.73

136.40

158.15

133.74

165.33

3.79

5.80

14

8.79

1.20

112.46

138.78

109.30

155.45

2.82

7.14

15

3.55

1.01

136.38

151.00

143.92

155.95

2.94

3.42

16

2.65

0.70

122.31

146.78

141.20

153.84

4.60

8.07

17

6.71

0.00

131.59

151.10

136.97

155.65

2.26

16.13

18

20.95

3.98

94.57

134.76

87.66

134.20

4.35

9.53

19

10.67

2.39

141.89

167.47

142.13

169.67

4.92

5.49

20

5.37

1.05

126.60

145.90

135.51

158.43

4.63

5.99

21

3.10

0.20

143.00

153.20

148.60

169.40

4.07

7.12

22

13.25

0.40

147.40

162.20

152.00

162.30

1.70

8.73

23

5.89

1.05

128.20

140.20

133.60

151.40

2.96

6.49

24

4.40

0.34

160.50

160.80

162.50

169.80

6.36

8.36

25

7.28

0.00

131.19

143.43

134.00

161.90

3.41

6.49

26

9.00

0.60

138.40

153.10

116.70

157.80

2.67

9.37

27

3.94

0.00

138.90

147.40

136.50

154.70

3.24

5.82

28

9.16

0.10

122.40

147.20

134.20

150.90

2.02

8.56

29

8.04

0.79

114.70

129.40

123.20

147.70

3.16

7.83

30

10.72

2.43

129.20

143.40

130.40

153.20

2.06

4.34

31

9.50

0.62

131.90

149.10

140.70

159.90

2.73

5.79

32

13.14

0.78

123.00

135.50

138.50

154.60

3.80

11.49

33

4.67

1.58

104.20

140.70

149.10

158.60

4.33

8.83

34

3.89

0.63

124.80

138.50

145.60

148.60

2.52

7.54

35

8.09

1.94

128.20

142.60

117.70

147.10

3.95

14.10

36

11.30

1.20

134.20

151.20

85.40

156.80

3.40

7.38

37

17.23

0.30

108.40

145.40

103.40

141.60

2.87

14.43

  1. ADI atlantodental interval, CCA clivus-canal angle, CMA cervicomedullary angle, SLMI sum of lateral mass interspace