Table 3 Comparison of pre- and postoperative imaging parameters between CMID and LP
CMID | LP | P-value | ||||
|---|---|---|---|---|---|---|
average | SD | average | SD | |||
C27 Cobb (degrees) | pre | 11.0 | 8.0 | 9.5 | 9.3 | 0.45 |
post | 10.7 | 8.7 | 11.5 | 12.4 | 0.76 | |
C27 ROM (degrees) | pre | 41.8 | 10.8 | 44.3 | 14.5 | 0.39 |
post | 42.1 | 10.6 | 28.2 | 12.4 | 0.00 | |
C27 SVA (mm) | pre | 1.9 | 1.4 | 2.0 | 1.2 | 0.76 |
post | 1.6 | 1.2 | 2.1 | 1.5 | 0.16 | |
Segmental lordotic angle (degrees) | pre | 5.9 | 5.7 | 4.4 | 6.4 | 0.30 |
post | 5.1 | 5.9 | 3.1 | 6.9 | 0.17 | |
Spinal cord diameter (mm) | pre | 4.2 | 0.9 | 4.2 | 0.7 | 0.76 |
post | 5.7 | 1.1 | 5.9 | 0.7 | 0.44 | |
Posterior spinal cord shift (mm) | 1.9 | 1.1 | 2.9 | 1.4 | 0.00 | |