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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