Tabla 3: Distribución de variables radiológicas (preoperatorio, uno, seis y 12 meses).
Evolución parámetros radiológicos
Comparación por grupos
Media
(mm)
Significación
evolución
PEEK
Titanio
comparación
Altura disco AP (meses)
Pre
7.61 ± 3.31
6.50 ± 3.5
9.41 ± 1.84
0.048
1
12.81 ± 2.36
0.000
12.36 ± 2.55
13.56 ± 1.95
0.269
6
11.28 ± 2.92
0.006
10.24 ± 2.61
12.72 ± 2.84
0.065
12
11.825 ± 2.25
0.023
10.88 ± 1.28
13.40 ± 2.74
0.024
Altura disco LAT
7.64 ± 3.55
6.61 ± 4.01
9.41 ± 1.81
0.091
13.47 ± 2.05
0.001
13.18 ± 2.31
13.96 ± 1.59
0.410
11.41 ± 2.70
0.010
10.66 ± 2.33
12.45 ± 2.74
0.159
11.82 ± 3.28
10.73 ± 2.11
13.65 ± 4.23
0.084
Lordosis lumbar
28.58 ± 10.14
28.12 ± 9.70
29.32 ± 11.42
0.800
32.619 ± 8.83
33.96 ± 8.95
30.44 ± 8.75
0.388
33.13 ± 10.30
32.42 ± 11.40
34.11 ± 9.24
0.734
31.81 ± 8.925
33.66 ± 10.20
29.44 ± 6.99
0.367
Lordosis segmentaria
5.88 ± 4.8
5.892 ± 3.87
5.863 ± 3,02
0.985
10.74 ± 4.12
0.014
11.13 ± 4.60
10.11 ± 3.2
0.596
10.41 ± 2.70
10.78 ± 1.1
9.85 ± 2.1
0.747
9.82 ± 3.28
10.31 ± 4.5
9.71 ± 1.1
0.311
Cobb
7.57 ± 3.50
7.29 ± 2.20
8.01 ± 5.10
0.683
4.61 ± 2.63
4.24 ± 1.76
5.20 ± 3.70
0.465
4.20 ± 3.64
3.60 ± 1.55
5.30 ± 5.95
0.523
3.90 ± 3.31
3.40 ± 1.77
4.70 ± 5.12
0.474
PEEK = poly-ether-ether-ketone, AP = anteroposterior, LAT = lateral.