Table 2 Mean (standard deviation) of radiographic parameters as measures on the 36-inch and cervical spine radiograph
Radiographic parameter | 36-inch | Cervical | p-value | Difference |
|---|---|---|---|---|
Occiput-C2 Sagittal Cobb angle (degrees) | −41.89 (9.74) | −43.30 (8.70) | 0.139 | 1.40 (5.79) |
Occiput-C7 Sagittal Cobb angle (degrees) | −44.94 (11.0) | −51.92 (9.89) | 0.000 | 6.98 (8.44) |
C1-C2 Sagittal Cobb angle (degrees) | −33.87 (8.65) | −33.95 (14.78) | 0.963 | 0.09 (11.39) |
C2-C7 a Sagittal Cobb angle (degrees) | −4.73 (12.96) | −8.58 (12.81) | 0.041 | 3.86 (11.23) |
T1 tilt (degrees) | 23.87 (8.82) | 28.90 (8.64) | 0.000 | −5.03 (6.28) |
C2-C7 Sagittal Vertical Axis (mm) | 15.28 (14.36) | 20.04 (18.47) | 0.049 | −4.76 (14.18) |
C1-C7 Sagittal Vertical Axis (mm) | 22.14 (18.34) | 26.95 (21.02) | 0.090 | −4.80 (16.99) |
Center of Gravity-C7 Sagittal Vertical Axis (mm) | 14.23 (14.84) | 17.06 (14.80) | 0.304 | −2.83 (16.03) |
Chin-brow-vertical angle (degrees) | −62.79 (5.17) | −61.93 (4.42) | 0.098 | −0.86 (2.16) |