Table 4 Radiographic correction rate and contribution (1st LLIF vs. 2nd PCO/PSF).
M-Pre | Post-M | Post-Pre | 1st LLIF Correction Rate | 2nd PCO/PSF Correction Rate | Total Correction Rate | 1st LLIF Contribution | 2nd PCO/PSF Contribution | |
|---|---|---|---|---|---|---|---|---|
PI-LL | -11.3 | -20.5 | -31.8 | 28.8% | 52.2% | 80.9% | 35.5% | 64.5% |
LL | 12.6 | 18.3 | 30.9 | 105.0% | 152.5% | 257.5% | 40.8% | 59.2% |
TK | 1 | 10 | 11 | 4.3% | 42.6% | 46.8% | 9.1% | 90.9% |
SS | 6.8 | 6.4 | 13.2 | 41.5% | 39.0% | 80.5% | 51.5% | 48.5% |
PT | -5.6 | -8.6 | -14.2 | 16.0% | 24.5% | 40.5% | 39.4% | 60.6% |
C7 SVA | -36.5 | -43.3 | -79.8 | 31.6% | 37.5% | 69.1% | 45.7% | 54.3% |
TPA | -8.8 | -11.6 | -20.4 | 22.7% | 30.0% | 52.7% | 43.1% | 56.9% |
C7PL-CSVL | -6.5 | -9.8 | -16.3 | 20.6% | 31.1% | 51.7% | 39.8% | 60.1% |
TCC | -4.8 | -9.7 | -14.5 | 25.4% | 51.3% | 76.7% | 33.1% | 66.9% |
UCC | -6.4 | -21.1 | -27.5 | 17.7% | 58.4% | 76.2% | 23.3% | 76.7% |
LCC | -1.7 | -10.6 | -12.3 | 9.4% | 58.9% | 68.3% | 13.8% | 86.2% |
AVT | 0.2 | -21.2 | -21 | -0.6% | 65.0% | 64.4% | 1.0% | 101.0% |