Table 3 Statistical analysis results of lumbar spine indexes
Item | Pre LCT | Post LCT | Average rate of change (%) | t | P |
|---|---|---|---|---|---|
CSA (mm2) | 9126.371 ± 691.614 | 9862.655 ± 456.416 | 8.07 | −6.368 | 0.0002 |
FCSA (mm2) | 8089.556 ± 707.739 | 8747.917 ± 426.245 | 8.14 | −5.348 | 0.0007 |
Gray value | 80.396 ± 17.522 | 55.009 ± 10.641 | −31.58 | 5.968 | 0.0003 |
FCSA/CSA | 0.886 ± 0.032 | 0.887 ± 0.024 | 0.12 | − 0.169 | 0.8703 |
L1/2 IVD (pixel) | 14.486 ± 1.854 | 13.790 ± 1.933 | − 4.80 | 3.308 | 0.0107 |
L2/3 IVD (pixel) | 16.781 ± 2.559 | 16.671 ± 1.918 | −0.66 | 0.455 | 0.6610 |
L3/4 IVD (pixel) | 18.693 ± 2.105 | 18.120 ± 2.047 | −3.07 | 2.278 | 0.0522 |
L4/5 IVD (pixel) | 20.018 ± 2.169 | 19.290 ± 1.751 | −3.64 | 3.509 | 0.0080 |
L5/S1 IVD (pixel) | 17.266 ± 2.359 | 16.888 ± 2.815 | −2.19 | 0.889 | 0.3999 |
L1-S1 IVD (pixel) | 87.243 ± 8.943 | 84.759 ± 7.620 | − 2.85 | 2.971 | 0.0180 |
L3/4 E-IF% | 91.6 ± 2.0 | 88.1 ± 2.9 | −3.80 | 8.214 | 0.0004 |
L4/5 E-IF% | 89.6 ± 1.9 | 88.2 ± 1.7 | −1.66 | 2.553 | 0.0511 |
LSA(°) | 26.622 ± 5.303 | 32.422 ± 6.816 | 21.79 | −4.911 | 0.0012 |
LLA(°) | 24.011 ± 7.117 | 30.644 ± 7.415 | 27.63 | − 4.851 | 0.0013 |